The congenital heart disease Essays

The congenital heart disease Essays The congenital heart disease Essay The congenital heart disease Essay an Atrial Septal Defect ( ASD ) , Pneumonic Artery Stenosis, Tetralogy of Fallot ( TOF ) ( Fig. 1 ) and Transposition of the Great Arteries ( TGA ) ( Fig. 2 ) . Congenital Heart Disease is now non merely a job of the kid, many people with the status are now populating into maturity. It is predicted that by 2010, 185,000 people will be populating in the UK with CHD ( Deanfield ( BHF ) 2003 ) . Treatment for Congenital Heart Conditions has changed quickly over the last 50 old ages. Now surgical direction is needed in most instances nevertheless some defects will either decide themselves or necessitate medicine. Surgical intervention has changed in recent times, fewer patients are necessitating unfastened bosom surgery and more are having a catheterization technique. Around 3,100 operations and 725 interventional cardiac catheterizations are performed each twelvemonth on babes and kids with CHD ( BHF 2003 ) . The effects of surgical intercessions on cardiorespiratory map have been exhaustively researched in the yesteryear. The surveies have concluded that surgery does better lung and cardiac map and reduces secondary complications ( Picchio 2006 ) . Exercise is widely known as the best intervention for most musculoskeletal jobs but its effects on the cardiorespiratory system has merely late been researched into ( Cullen 1991 ) . Pulmonary and Cardiac Rehabilitation have now been shown to hold an consequence in grownups but the research into pediatric rehabilitation categories is non widely known approximately. Other surveies have looked at exercising preparation or a cardiac rehabilitation programmes following surgery and the consequence of this on the patient s exercising tolerance. I am traveling to utilize this reappraisal to measure these surveies which look at both cardiac rehabilitation programmes and besides degrees of exercising tolerance following surgery. I want to discourse whether there are any spreads in the cognition base environing the effects of exercising in cardiac surgery of pediatricss. I besides want to reason whether the premise that exercising is positive, can be right justified. Method After make up ones minding a subject I was able to get down researching into the background country of pediatric cardiology. I started by utilizing a combination of footings including, Exercise, Sports, Physical Activity, Paediatrics, Children, Post-Cardiac Surgery, Congenital Heart Disease, Congenital Heart Defects and Cardiac Rehabilitation. The hunt pages I found highlighted articles of relevancy and so I used the nexus to related articles to happen the surveies ( see appendix 1 ) . I besides searched on single diary web sites including, Paediatric Cardiology and Cardiology in the Young. I used databases such as Pubmed, Medline, Ovid, Sciencedirect and Springerlink to read abstracts of articles and make up ones mind their relevancy to my reappraisal. I so selected the most relevant and used excel to roll up a tabular array where I could easy see the differences in the surveies under headers ( see appendix 4 ) . The surveies I am looking at are all based on pediatricss and are randomised controlled tests dating from 1981 to 2009. Although some of the surveies are about 30 old ages old, they hold some strong grounds compared to show twenty-four hours surveies and hence I have non discounted older surveies from this reappraisal. Other reappraisals have assessed whether exercising has an impact on cardiorespiratory public presentation and have been shown that an exercising rehabilitation category does supply benefits in cardiorespiratory public presentation and exercising capacity. Some of the surveies that are being reviewed nevertheless are reasoning with undistinguished findings. The reappraisals have stated that research lacks long-run effects of preparation and besides a clear apprehension as to which exercising type is best ( Tomassoni 1996 ) . In this reappraisal I will seek expression at newer surveies and see if the countries of cognition that were found to be omitted after old reappraisals have now been researched into. Review of Surveies First I am traveling to discourse the testing of the participants. All of the surveies completed two exercising trials to measure the participant s ability before and after either the cardiac rehabilitation plan or surgery. Exercise testing is really hard to reproduce. Many surveies have jobs with guaranting the trial is accurate and dependable and many battle, doing consequences and proving to be different and hence non comparable. If the consequences are non accurate and can non be compared to other surveies the consequences can do a alteration in mean consequences and therefore may misdirect readers into a false positive consequence. Each of the surveies used either a treadmill trial or a rhythm dynamometer to prove their participant s cardiorespiratory map and exercising tolerance. Using these two trials is the most common technique of proving map as it is really dependable. ( Washington 1994 ) All surveies used a specific protocol outlined in the Washington Guidelines with all of the surveies utilizing a treadmill trial with five of the 13 surveies utilizing Bruce s protocol. Bruce s protocol is where the class of exercising is increased every 3 proceedingss until the participant has reached their maximal capacity and can non go on. The bike dynamometer trials are where the participants are required to rhythm continuously at about 50-60rpm where the class of exercising is increased by 10-20 watts/ minute every three proceedingss. This is besides completed until the participant can no longer go on ( Washington 1994 ) . Exercise proving utilizing a treadmill or a rhythm dynamometer causes jobs because the undertaking they are set abouting in the trial are is non functional and do non associate to day-to-day undertakings. Runing and cycling is functional but non to that class of exhaustion. Many kids usually will halt an exercising when they are palling and will neer force themselves to the degree that these exercising trials are forcing them. The undertakings are besides non fun for the participants and I feel that it should be fun otherwise kids will acquire bored. This is the same with the intercession as good and the programmes should be child oriented and single to each kid. Result Measures are the footing to the consequences of a survey and therefore its effectivity. A deficiency of certain outcome steps may demo big defects in a survey as many can be used to measure different parts of map and physiological activities. In the surveies looking at the effects of cardiovascular surgery, there were a limited figure of outcome steps that were looked at. Sarubbi ( 2000 ) merely looked at bosom rate and blood force per unit area as result steps and this limits consequences. The chief result steps were bosom rate, blood force per unit area and maximal work rate in all the surveies. These result steps although really limited are values that help us to understand cardiovascular activities. Other helpful steps would hold been oxygen impregnations, which merely Rhodes surveies ( 2005/6 ) looked into. Impregnations are helpful to measure whether a alteration in bosom rate or blood force per unit area affects impregnations or whether a alteration in these may be due to a airing job. ( Rivers 2001 ) The result steps of the cardiac rehabilitation surveies are all different but all have likewise looked at exercising capacity after the intercession. This is shown by all the surveies utilizing VO2 as a step and that all the participants improved their VO2 upper limit to let for a greater exercising capacity. The lone survey that did non turn out an addition in VO2 soap was Goldberg s survey ( 1981 ) which merely showed an betterment in maximal work rate. This could hold been due to the day of the month in which the survey was undertaken. This was one of the earlier surveies done in 1981 and hence engineering may non hold been as accurate or every bit dependable as some of the ulterior surveies done since 2000. However Goldberg s survey was the 1 that had the most intervention clip of all the surveies with exercising of up to 45 proceedingss completed on alternate yearss with a rigorous government to increase class of exercising over the 6 hebdomads. This leads me to believe that pos sibly it was inappropriate testing or inaccurate engineering that changed the consequences of the survey as old reappraisals have shown that an addition in exercising clip has shown to hold positive effects on wellness. As engineering has developed since the early 1880ss, this may be why more accurate testing is used and hence doing consequences more positive to the result we wish. Another job in tests of this kind is conformity. Conformity is ever an issue when finishing surveies ( Burke 1997 ) . Initially enrolling people to take part is hard and many people with either choose non to take part or may drop-out early in the survey. Many people will non take part because of exercising proving being excessively invasive or because of geographical deductions as the distance to the base of the survey being an issue. Some of the surveies had big drop-out rates with about 30 % lessening in patients ab initio feasible for the intervention program and those who undertook the trials in the survey ( Arvidsson 2009 ) . I think this could be explained by that the surveies involved child participants that are less compliant to long term programmes and who tire easy to an activity. Besides due to the nature of the surgery that they have all completed, many parents will be protective over their kids and be forcing the participant s exercising tolerance will do many parents wo rried about their kid s wellness. Much of this can be avoided by specifically explicating the processs and replying any inquiries that the parent or participant may hold to educate them that this a intervention program and is non traveling to impede their kid s recovery or wellness. Besides intercession clip is a major issue when looking at tests. Some may be yearss long and others have followups of old ages one time the intercession has finished. The surveies that focus on Cardiac rehabilitation all have assorted clip graduated tables of their intercession with the shortest plan being six hebdomads ( Goldberg 1981 ) and the longest around 20 hebdomads ( Opocher 2005 ) . The difference in timescale and the different figure of Sessionss that the participants attend makes it hard to measure whether it is the content of the plan that affects the patients or whether merely exerting over a longer, more sustained period of clip effects the participants in the same manner. I think surveies that look at different contents of intervention programmes but have a fixed intercession clip may be good in make up ones minding the purpose of this reappraisal. When looking at the surveies, all of the cardiac rehabilitation plans merely assess the patients exercise public presentation heterosexual after the plan and merely one survey looks at the effects of the plan long term. Rhodes et al 2005 foremost looked at the immediate consequence of a cardiac rehabilitation plan and so in 2006 did another survey looking at the same participants of the old survey six months after the original plan. The surveies that look at exercising capacity before and after surgery besides do non look at the effects of the cardiovascular system in response to exert on a long term graduated table. Long term effects are the best index to state that map and exercising capacity has improved ( Miller 2005 ) . Sociodemographics of the topics in a survey are besides of import to reexamine as to its engagement in truth of consequences. Different age ranges or male to female ratios cause surveies to be inaccurate in seeking to generalize the population group. Many of the surveies had a really big age scope within their participant groups with the largest difference being 17.6 old ages in Marino et Al s survey in 2005. I feel that the exercising difference between a seven twelvemonth old is really different to that of a 24 twelvemonth old. I feel that a big age scope is used to increase capable Numberss. Male: Female ratios are besides of import and that a big bulk in these surveies had male participants. The biggest ratio of male to female was in Opocher s ( 2005 ) survey where there were nine male participants and merely one female participants. The best ratio of male: female was either Moalla ( 2006 ) survey with 44 males and 39 females. This is of import as I believe work forces and adult females react otherwise to exercising. Capable Numberss is besides a big job with these surveies. Due to most of the surveies merely looking at the kids that have had surgery in their trust or infirmary they have decreased their capable Numberss and none of the surveies look at the effects on big figure of topics on a national graduated table. The surveies that looked at cardiac rehabilitation all have capable Numberss under 16 which is a really large restriction. The lone surveies that have larger Numberss are the 1s that look at exercising capacity after surgery. By holding participants that are merely from the immediate country of the survey base besides means you do non acquire a generalized position of everyone nationally and you may non cover different kids from different backgrounds socially and economically and so may hold different attitudes to rehabilitation, intervention and self-management. Surveies with participants that are non generalised to their population group can therefore bring forth a prejudice consequence to that specific population group. Besides holding different backgrounds of participants is of import in measuring their conformity and what single exercising programme they should be given. Having a specific age scope is peculiarly of import as many of the topics may be inappropriate for the programme due to their age. Some of the topics may be excessively immature and utilizing topics that are under six old ages old would be inappropriate due to the topics being excessively immature to understand the instructions of the survey. Using older topics may besides do different consequences as their organic structures have had longer to recover independent map and the organic structure has had clip to counterbalance for a deficiency in cardiorespiratory map. I think it is of import to maintain variables every bit compendious as possible and tests should be able t o based on one variable entirely and genuinely work on whether surgery or exercising has an consequence on that variable independently. Effectss of Cardiac Rehabilitation The surveies looking at cardiac rehabilitation all have an exercising programme set up for their patients either at place ( Moalla 2006 ) or in an outpatient scene ( Ruttenberg 1983 ) . These Sessionss runing in therapy clip from one hr surrogate yearss to one hr one time a hebdomad, all show an addition in either cardiorespiratory public presentation or in exercising tolerance. This shows that a rehabilitation programme is appropriate for these patients and does hold a positive consequence on the participant s life. Rhodes surveies ( 2005/6 ) had the greatest consequence on the patient s concluding result. Not merely did most of the proving consequence in important effects but the big scope of result steps used agencies that we can measure non merely the cardiovascular public presentation of the participant but besides look at the pneumonic effects of the exercising and their effects of the bosom and the cardiac system. What we can besides see from this reappraisal is that the cardiac rehabilitation programmes are going more important in consequences as the surveies get newer. This is a good index that current programmes are being effectual in their rehabilitation ( Opocher 2005, Rhodes 2005/6, Moalla 2006 ) and that newer techniques and more cognition on exercising has lead to better run categories which non merely better consequences more systematically than the older surveies and that the effects from an initial programme can besides be maintained for 6months after intercession ( Rhodes 2006 ) . Effectss of Cardiovascular Surgery Two of the surveies looking at effects of surgery merely have exercising testing after the surgery. The survey by Arvidsson merely used the figure of athleticss Sessionss a hebdomad that the participant goes to after the surgery. Therefore a direct comparing between their before and after the surgery ability can non be done and so the survey is merely looking at their athleticss engagement after surgery and non the effects of the surgery. However these surveies do demo that after surgery kids s exercising tolerance additions to the degree that healthy participants are accomplishing ( Zaccara 2003 ) and they are take parting in equal sums of athleticss engagement following surgery ( Arvidsson 2009 ) Future thoughts In future surveies, long term effects of cardiac rehabilitation should be researched, with a follow-up trial of a least a twelvemonth after their rehabilitation to see if the participant is now more active. I besides think a control group should be used in the survey to look at the effects of non-surgical patients that besides participate in cardiac rehabilitation. This is to measure whether the betterment seen during cardiac rehabilitation is non merely a response to any exercising and that if a kid went back to normalcy and take parting in athleticss so they will merely be as exercising tolerant as kids who do non hold CHD. Besides I would propose that an exercising programme for the patients that is more functional but besides merriment and exciting for the patient should be used to increase conformity and besides enjoyment for the participants and their parents. Decision In decision, Cardiac surgery is a normally used signifier of cut downing inborn bosom defects and has been shown by these surveies that the surgery does hold an betterment on the patient s cardiorespiratory public presentation. I have besides found that a cardiac rehabilitation programme is good for pediatric patients after cardiac surgery for inborn bosom defects. References/ Bibliography Arvidsson, D ( 2009 ) Physical Activity, athleticss engagement and aerophilic fittingness in kids who have undergone surgery for inborn bosom defects. Acta Paediatrica 98 pp. 1475-1482 Balfour, I. ( 1991 ) Pediatric Cardiac Rehabilitation. AJDC- Volume 145 pp. 627-630 Bradley, L. ( 1985 ) Consequence of Intense Aerobic Training on Exercise Performance in Children After Surgical Repair of Tetralogy of Fallot or Complete Transposition of the Great Arteries. The American Journal of Cardiology Volume 56 pp.816-818 Burke, L. ( 1997 ) Conformity with cardiovascular disease bar schemes: A reappraisal of the research. Annalss of Behavioural Medicine. Volume 19, figure 3, pp. 239-263 Cullen, S. ( 1991 ) Exercise in Congenital Heart Disease. Cardiology in the Young ; 1: pp. 129-135 Deanfield J. ( 2003 ) Congenital Heart Disease Statistics ( accessed on 8/11/09 ) British Heart Foundation Statistics Database www.heartstats.org disease take part in athletics and in which sort of athletics? Journal Of Cardiovascular Medicine, 7: pp. 234-238 Draper, Dr. Richard ( 2008 ) Congenital Heart Disease in Children ( accessed on 3/11/09 ) hypertext transfer protocol: //www.patient.co.uk/doctor/Congenital-Heart-Disease- ( CHD ) -in-Children.htm ECHO ( Evelina Children s Heart Organisation ) ( accessed on 15/11/2009 ) hypertext transfer protocol: //www.echo-evelina.org.uk/ Goldberg, B. ( 1981 ) Effects of Physical Training on Exercise Performance of Children Following Surgical Repair of Congenital Heart Disease. Pediatrics Vol. 68 No.5 pp. 691-699 hypertext transfer protocol: //graphics8.nytimes.com/images/2007/08/01/health/adam/18088.jpg hypertext transfer protocol: //graphics8.nytimes.com/images/2007/08/01/health/adam/8807.jpg Marino, B. ( 2006 ) Exercise Performance in kids and striplings after the Ross process. Cardiology in the Young 16: 40-47 Miller, T. ( 2005 ) Exercise rehabilitation of pediatric patients with cardiovascular disease. Advancement in Paediatric Cardiology Volume 20, pp. 27-37 Minamisawa, S. ( 2001 ) Consequence of Aerobic Training on Exercise Performance in Patients After the Fontan Operation. The American Journal of Cardiology Volume 88 pp. 695-699 Moalla, W. ( 2006 ) Consequence of exercising preparation on respiratory musculus oxygenation in kids with inborn bosom disease. European Journal of Cardiovascular Prevention and Rehabilitation 13: 604-611 National Statistics ( 2007 ) Congenital anomaly Statistics Notifications. Office for National Statistics. Series MB3, no.22 Opocher, F. ( 2005 ) Effects of Aerobic Exercise Training in Children After the Fontan Operation. The American Journal of Cardiology Vol. 95 pp.150-152 Picchio F. ( 2006 ) Can a kid who has been operated on for inborn bosom Rhodes J. ( 2006 ) Sustained Effectss of Cardiac Rehabilitation in Children with serious Congenital Heart Disease. Paediatrics Volume 118:3 pp.586-592 Rhodes, J. ( 2005 ) Impact of Cardiac Rehabiliation on the Exercise Function of Children with Serious Congenital Heart Disease. Pediatrics Volume 116:6 pp.1339-1345 Rivers, E. ( 2001 ) Central venous O impregnation monitoring in the critically sick patient. Current Opinion in Critical Care. Volume 7, issue 3, pp. 204-211 Ruttenberg, H. ( 1983 ) Effectss of Exercise Training on Aerobic Fitness in Children after Open Heart Surgery. Pediatric Cardiology Vol. 4, No. 1, pp. 19-24 Sarubbi, B. ( 2000 ) Exercise Capacity in Young Patients after Total Repair of Tetralogy of Fallot. Paediatric Cardiology 21: 211-215 Tomassoni, T. ( 1996 ) Role of exercising in the direction of cardiovascular disease in kids and young person. Medicine A ; Science in Sports A ; Exercise. Volume 28 ( 4 ) , pp 406-413 Washington RL. Et Al. ( 1994 ) Guidelines for exercising testing in the paediatric age group. Journal of the American Heart Association. Volume 90 ; pp. 2166-2179 Zaccara, A. ( 2003 ) Cardiopulmonary Performances in Young Children and Adolescents Born with Large Abdominal Wall Defects. Journal of Pediatric Surgery Volume 38 ; 3 pp 478-481

Nanoflares Keep Things Hot on the Sun

Nanoflares Keep Things Hot on the Sun One thing we all know about the Sun: its incredibly hot. The surface (the outermost layer of the Sun that we can see) is 10,340 degrees Fahrenheit (F), and the core (which we cant see) is 27 MILLION degrees F. Theres another part of the Sun that lies between the surface and us: its the outermost atmosphere, called the corona.Its some 300 times hotter than the surface. How can something farther away and out in space be hotter? You would think it would actually be cooling off the farther away it gets from the Sun.   This question of how the corona gets so hot has kept solar scientists busy for a long time, trying to find an answer. It was once assumed that the corona heated gradually, but the cause of the heating was a mystery.   The Sun is heated from within by a process called fusion. The core is a nuclear furnace, fusing atoms of hydrogen together to make atoms of helium. The process releases heat and light, which travel through the Suns layers until they escape from the photosphere. The atmosphere, including the corona, lie above that. It should be cooler, but its not. So, what could possibly heat the corona? One answer is nanoflares. These are tiny cousins of the big solar flares that we detect erupting from the Sun. Flares are sudden flashes of brightness from the Suns surface. They release incredible amounts of energy and radiation. Sometimes flares are also accompanied by massive releases of superheated plasma from the Sun called coronal mass ejections. These outbursts can cause whats called space weather  (such as displays of northern and southern lights)  at Earth and other planets. Nanoflares are a different breed of solar flare. First, they erupt constantly, crackling along like countless little hydrogen bombs. Second, they are very, very hot, getting up to 18 million degrees Fahrenheit. Thats hotter than the corona, which is usually a few million degrees F.   Think of them as a very hot soup, bubbling along on the surface of a stove, warming the atmosphere above it. With nanoflares, the combined heating of all those constantly blowing tiny explosions (which are as powerful as 10-megaton hydrogen bomb explosions) is likely why the coronosphere is so hot.    The nanoflare idea is relatively new, and only recently have these little explosions been detected. The concept of nanoflares was first proposed in the early 2000s, and tested beginning in 2013 by astronomers using special instruments on sounding rockets. During the short flights, they studied the Sun, looking for evidence of these tiny flares (which are only a billionth of the power of a regular flare). More recently, the NuSTAR mission, which is a space-based telescope sensitive to x-rays, looked at the Suns x-ray emissions and found evidence for the nanoflares.   While the nanoflare idea seems to be the best one that explains coronal heating, astronomers need to study the Sun more in order to understand how the process works. They will watch the Sun during solar minimum- when the Sun is not bristling with sunspots that can confuse the picture. Then,  NuSTAR and other instruments will be able to get more data to explain just how millions of tiny little flares going off just above the solar surface can heat the thin upper atmosphere of the Sun.

Cash flow, gearing and working capital & liquididty ratio analysis Essay

Cash flow, gearing and working capital & liquididty ratio analysis - Essay Example In the year, 2011 the company net cash flows from operating activities was  £3658000 compared in to  £3147000 in 2010. This is 16.42% increase in the cash inflows meaning that the company realized improved cash from its day-to-day operations. From the cash flow statement, the positive improvement can be attributed to the increase in profits from continuing operations from  £2924000 in 2010 to  £3557000 in 2011 (Zytronic, 2011). The increase in depreciation cost on property, plant, and equipment increased the not cash inflows because in determining the net cash inflows the values are added back since the does not account for any actual cash flows. In 2011 for instance, the depreciation value was  £802000 meaning that the company incurred more depreciation cost because of the increase in the assets. The improvement in the cash inflows could be much more if the company could have reduced the values of inventory and receivables in 2011. The increase in inventory from 85 in 2010 to 166 in 2011 and of receivables from  £356000 in 2010 to  £647000 in 2011 is significant and adversely reduced the cash inflow figures in 2011 (Zytronic, 2011). At the same time, the increase in trade and other payables made the net cash flow from operating activities to improve. Finally, tax paid is also a component of the operating cash flows. In 2010, Zytronic paid a tax of  £65000 compared to  £821000 in 2011. The increase in the tax obligation between the two years is attributed to the increase in the profit recorded by the company. Tax is charged as a percentage of profits and therefore an increase in the profits would automatically translate in increased tax expense which as an outflow. The second component of the cash flow statement is the cash flows from the investing activities. Investing activities are those activities that a company puts its resources in order to earn profits, increase its capital assets in

Does the media affect your health Essay Example | Topics and Well Written Essays - 1000 words

Does the media affect your health - Essay Example In most cases, the use of these mediums can significantly influence not only the way we perceive things in life but also result to the development of our eating habits and the way we perceive or feel about our body images (DArcy and Jan). Seale explained that most of the food and beverage companies are using the media as a platform in advertising their food or beverage products even if these food and beverages does not contain the proper nutrition needed by our body (Seale, Health and media: an overview). For example, multinational companies are more than willing to pay a large sum of money just to advertise their formula-milk on the television. By continuously using the media as a way of persuading mothers to feed their babies with formula-milk, the newborn babies are the ones who suffer from not getting the most of out the health benefits they should receive from breast-feeding (Seale, Media and Health 199). It is also possible for some tobacco companies to take advertise their cigarette products using any of these media as a way of encouraging the people to smoke (Seale, Health and media: an overview). In some cases, people are unconsciously using the Internet or other social networking sites like Facebook or Twitter to make themselves look better off as compared to other people (Falcon). By boosting their ego at the expense of other people, the use of social media networks can somehow cause depression to other people. Aside from the risk of becoming a victim of cyber-bullying (Falcon), the media can also be used to trigger aggressive behaviour possibly due to substance abuse or trigger inappropriate sexual behaviour (DArcy and Jan). Considering all these examples, it is clear that the media can be used to negatively affect the people’s physical, psychological and emotional health. Even though the main purpose of using the media is to entertain or communicate something to the target audiences, there will always be some

Current Macroeconomic Environment And Policy Of Australia Economics Essay

Current Macroeconomic Environment And Policy Of Australia Economics Essay A strong economy displays characteristics of maximizing growth as well as internal and external balance whilst minimising inflation, foreign debts and liabilities. There are various policies in Australia governing the macroeconomics including Fiscal and Monetary policies. Both these policies influence the economy through altering aggregate demand. In the last three years, since the onset of Global Financial Crisis, Australia has applied both expansionary monetary and fiscal policies to increase aggregate demand. There seems to be a general agreement amongst the economists with regards to the success of the monetary policy implemented. However the only general consensus with regards to the effectiveness of the fiscal policy is that there is no consensus. Key macroeconomic indicators Australias macroeconomic health same as the rest of the world is governed by factors of Gross Domestic Product(GDP),unemployment, price fluctuations, total nations income per year, interest rates, inflation, government spending, tax system, exchange rates, Consumer Price Index(CPI), consumer credit, foreign trades and value of currency. As oppose to Microeconomics, Macroeconomics deals with totals or aggregates. Gross Domestic Product Gross Domestic Product (GDP), is the single best measure of a nations economic wellbeing. It measures the total value of goods and services produced in a country in one single year (Liu,EC 5103 lecture notes,2009). GDP = Consumption + Investment + Government Spending + Net export. There are three approaches to calculating GDP Expenditure approach calculates the final spending on goods and services. Product approach calculates the market value of goods and services. Income approach sums the income received by all producers in the country. Problems with using GDP alone as a measure of economic wellbeing is that by itself, GDP does not give any information on income distribution in the country nor takes into account the effect of negative externalities on economic growth such as pollution or the effect of positive externalities such as health and education( Trading Economist, n.d). Taxes and interest rates influence GDP over time. Non economical factors influencing GDP include war, drought, natural and man made disasters. Figure 1. Australia GDP growth rate- Period 2006-2010 Source: http://www.tradingeconomics.com/Economics/GDPGrowth.aspx?Symbol=AUD#ixzz0i0dpV4ucConf_2009.htm Consumer Price Index The best price index measure is the Consumer Price Index (CPI). CPI is used to calculate the inflation rate and is also a measure of the change in cost of living over time. Business Cycle Fluctuations in economic activity over a period of time are reflected in the business cycle. Figure 2: Business Cycle Different stages of economy over a period of time Source: http://www.thebluecollarinvestor.com/blog/wpcontent/uploads/2008/11/business-cycle-graph-better.jpg The growth rate of Real Gross Domestic Product is used for measuring the fluctuations in the business cycle. Economists argue that higher interest rates can motivate the households for savings, and supply more loanable funds in the market, in form of bank deposits. Increased savings results in reducing foreign dependence which in turn accelerates economic growth due to higher investments. McKinnon (1973) and Shaw (1973) cited in Shrestha, M. B., Chowdhury, K. 2005, further assert that higher real interest rate also helps channel the capital to the most efficient industries and help development and technological advancement leading to economic growth. The aforementioned reiterates the fact that both fiscal and monetary policies are used to smooth out the business cycle. Commodity Prices and Trade One of the key contributors to Australias economic condition is the international economic activities in particular the commodity prices which is reflected in the Terms of Trade i.e. ratio of exports to imports prices (White, 1994). Since Australias export of commodities is large and the import is relatively stable, the world economy trades more with Australia hence strong Term of Trade is one of the key reasons for an increase in standard of living in Australia. The recent rise in global commodity prices due to increase demand in China and a drop in the price of imports mainly from China has allowed Australia to achieve a higher Term of Trade above its average. In 2005 Australia entered into an agreement with the US on Free Trade (Australian US free Trade Agreement- AUSFTA). Other countries that have FTA with Australia include New Zealand, Singapore, China, Japan, Malaysia and South Korea (Travel Document System, n.d). Farm output Farm output also appears to be a key determinant of the economic activity of Australia. This is influenced by factors such as drought. For instance, the major drought of 1980s was one of the key contributors to the disparities between the growth in the Organisation for Economic Co-operation and Development (OECD) countries and Australia (White, 1994). Government spending Government spending in infrastructure such as water, transport, telecommunication, education and health are aimed to expand Australias supply capacity such as plans to improve irrigation infrastructure and buy back unused water allocation along the Murray-Darling river. Environment: climate change Climate change must also be mentioned in this context. A report commissioned by the former Howard government recommended a domestic carbon emission scheme emphasizing that Australia should have an active role in developing a global carbon emissions trading scheme. The Rudd government aims to introduce a carbon trading system by 2011 and reduce emissions by 5% by 2020 (from 2000 levels). Interest Rates Interest rate is defined as the percentage rate per annum that a borrower pays to the lender or the cash rate which is the rate charged on overnight loans between the financial intermediaries. Interest rate has a negative effect on the money demand as shown below. Australia is a price-taker in global capital markets, so the Australian interest rates move with the global financial market trends. Interest rates are generally higher in Australia and New Zealand compared to the international standards largely due to strong fiscal policies relative to other developed countries (Kirchner, 2007, p. 11-15). In Australia, the Reserve Bank (RBA) determines the interest rate. It does so by changing the amount of money supplied, in other words by altering the equilibrium quantity of money supplied and money demanded. Australias interest rate is currently at 4.0 percent according to the data published by the Trading Economics in March 2010. Table 1. As at 31.03.2010, Australia has the highest interest rate amongst developed countries. The Reserve Bank of Australia 4% Bank of Canada 0.25% Bank of England 0.5% Bank of Japan 0.1% European Central Bank 1% Federal Reserve 0.25% Swiss National Bank 0.25% Source: http://www.fxstreet.com/fundamental/interest-rates-table/ Figure 3. A graphical demonstration of the effect of change in money supply on the interest rate. Source: Source: (Liu, EC 5103 supplementary notes, 2009) Figure 4. Australias Interest Rate- Period 2000-2010 Source: http://www.tradingeconomics.com/Economics/Unemploymentrate.aspx?Symbol=AUD#ixzz0i0ejiErm Unemployment rate Unemployment rate refers to the % labour force that are unemployed and actively pursuing a job. The unemployment rate is negatively related to the real GDP i.e. falling GDP results in an increase in unemployment and vice versa. As at January 2010 based on data published by Trading Economics the unemployment rate is 5.30 percent. Figure 5. Australia unemployment rate Source: http://www.tradingeconomics.com/Economics/Unemploymentrate.aspx?Symbol=AUD#ixzz0i0ejiErm Inflation rate Inflation rate refers to the % rate of increase in the average level of prices measured against a standard level of purchasing in the economy. According to the latest figures published by the Trading Economics the Inflation rate was 2.10 percent in December 2009. Inflation rate is best reflected in the CPI or the GDP deflator. Figure 6. Australia Inflation rate based on CPI- Period 2008-2010 Source: http://www.tradingeconomics.com/Economics/InflationCPI.aspx?Symbol=AUD#ixzz0i0eRh6VH Consumer Credit One of the major contributing factors that led to the recent Global Financial Crisis was the lack of regulation with relation to consumer credit originating in the United States. Money for institutions to borrow and lend was easily accessible which eventuated in sub-prime mortgages and what has come to be known as NINJA loans (No Income No Job or Assets). This toxic debt was then sold globally through various hedge funds. Although affected by the rest of the world through the freezing of credit markets, Australia has managed to remain in relatively stable position in comparison to the rest of the major economies. This, in part, can be attributed to the regulations enforced through the Consumer Credit Code (Appendix 1). Constant reviews and amendments of macroeconomic policy in relation to consumer credit regulation have contributed to Australias robust financial system in comparison to the majority of other developed nations  [1]  . Gold and Foreign Currency reserves The Reserve bank of Australia (RBA) has the responsibility of owning and managing the foreign currency and reserves for Australia  [2]  . On average, countries hold 10 per cent of their reserves in gold, although the proportion varies widely from one country to another. The Reserve Bank of Australia holds just 80 tones of gold, or 6 per cent of its total foreign reserves. The bank sold down its gold holdings in 1997 and its reserves are now largely held in US Treasuries and other government bonds. The reserves are used, when required, to keep the Australian dollar steady in times of volatility. (Bourlioufas,N. 2008). Several reasons exist for the reduction in gold holdings for Australia such as: Lack of income that it produces The cost of storage/security Inability to put value behind the Australian Dollar. Appendix 2 displays the RBAs current reserve holdings for 2009/2010. The amounts are displayed in Australian dollars and are subject to movement based on current exchange rates. Taxation (GST) One of the many aspects in taxation is the Goods and Services Tax (GST), which is a value added tax on the supply of goods and services in Australia. Until the introduction of the GST, Australia operated a Wholesale Sales Tax (WST), which imposed a tax on wholesale of goods. The GST was introduced to bridge the unfair tax gaps between service based businesses and suppliers of goods (GST Australia, 2009). In Australia the GST is levied at a flat 10%, which is collected from the buyer, which shifts the demand curve downward by the size of the tax, which effectively means both buyers and sellers share the burden of the tax (Mankiw, 2008). National income and output Measures of national income and output are used as an estimate of total economic activity by including Gross domestic profit, gross national product, and net national income. Each of these aspects is in relation with the total amount of goods and services within a country. The National income and output values are of importance for a variety of users such as the Reserve bank, academics, and private as well as the Australian government to allow the government to make interventions into the economy based off current and accurate information, as well. (Australia Bureau of Statistics, 2008) Macroeconomic Policies in Australia The goals of economic policy makers are: Maintaining real GDP growth constant and positive Maintaining unemployment rate low Minimising inflation The most important contributor to the economic growth is aggregate demand (effecting GDP). Both monetary and fiscal policies effect aggregate demand. How is this game being played? Should RBA consider a looser fiscal policy when determining interest rates? Or should the government consider the possibility of a rate cut when deciding on fiscal stimulus? Aggregate Demand (AD= C+I+G+NX) is effected by factors such as: Capital investment boom Rise/fall of exchange rate Consumer boom in a country that Australia has trade agreement with A boom in housing market A share price slump Unexpected cut/rise in interest rate Monetary policy Monetary Policy through the effect of the exchange rate influences the economy. Exchange rates also influence the inflation which in turn affects the trade (export and import). Exchange rates are influenced by factors such as commodity prices and interest rates. This reiterates how the determinants of macroeconomics are intertwined. Monetary policy is set by the Reserve Bank of Australia (RBA) to influence the supply (availability) of money and credit within the economy in an effort to stimulate growth and stabilise the financial system. Monetary policy influences the interest rates through purchasing and selling of government bonds. When RBA purchases government bonds to increase liquidity, it results a lower interest rate and lower unemployment. During the periods of high inflation, RBA sells government bonds resulting in an increase in interest rates. Effects of monetary policies are: In short term, a tight monetary policy results in a decrease in the prices of Goods and Services as well as higher disposable incomes hence an increase in the households demands. In long term, household demands decrease due to reduced income and increased unemployment. Reserve Bank Act 1959 establishes the objectives of the monetary policies  [3]  . Fiscal Policy: Fiscal policy targets both consumption and capital spending. It influences economic activities through government budget. The budget is announced yearly in May stating the government Revenue (T) and Expenditure (G). By varying the amount of spending, a fiscal policy may achieve one of the following: Fiscal surplus- when G Fiscal deficit- when T Balanced budget- when T=G When government wishes to stimulate economic growth, it applies an expansionary fiscal policy through increase in government spending and tax cuts which in turn increase consumption and investment. On the contrary, if government decides to slow down the economy, it applies a contractionary fiscal policy. Global Financial Crisis and Australias Response Deteriorating housing market in the US was the trigger to the onset of GFC in the world. Banks tightened lending policies; credit became more expensive and this led to a restrained aggregate demand resulting in weakness in world economic activity. The policies of governments around the world in response to GFC were aimed to address these weaknesses. Since the onset of GFC in 2007 Australia has responded by conducting monetary and fiscal policies. Both Short term and long term implications of these policies have to be considered to determine their effectiveness Analysis of Australias Monetary Policy in response to GFC During the GFC, expansionary monetary policies were implemented in Australia in response to the contraction in aggregate demand. RBA increased liquidity through multiple purchases of government bonds resulting in a decrease in interest rate through shifting the LM curve down and IS curve left. Figure 7. Shifts in LM and IS curve reflecting on the interest rate Source: http://www.rba.gov.au/econ-compet/2009/pdf/second-prize.pdf The lower interest rate led to a decrease in cost of borrowing which resulted in lower incentive for saving and ultimately led to an increase in consumption which resulted in the aggregate demand curve to shift to the right (figure 8). Figure 8. Expansionary Monetary Policy and its effect on Aggregate Demand Source: http://www.wcc.hawaii.edu/facstaff/briggsp/Macroeconomics/Chap_34_MonetaryFiscal.pdf Analysis of Australias Fiscal Policy in response to GFC The $42 billion economic stimulus plan of Rudd government between December 2008 and February 2009was intended to stimulate aggregate demand (Treasury, 2009). The focus of this package was mostly on investment in infrastructure which was predicted to have a larger effect on the economy in long run than in short run (Australian Government, 2010). It also provided incentives to housing as well as cash bonuses to stimulate consumption in short run. The inherent weakness of such cash bonuses is where people save their bonuses instead of spending it. Figures published by ABS demonstrate that immediately after the stimulus payments were made, there was a massive hit on spending by Australians households but this slowed down after 3 months (Insider retailing, 2010). According to the latest figures published by Trading Economics on 03.03.2010 and ABS, Australias economy grew at the fastest pace in the last quarter in almost 2 years. Table 2 demonstrates some of these figures published in this report. Table2: Australias economic figures March 2010. Percent Increase/Decrease % Comparison Period GDP à ¢Ã¢â‚¬  Ã¢â‚¬Ëœ 0.9 Last Quarter Growth à ¢Ã¢â‚¬  Ã¢â‚¬Ëœ 2.7 Last Year Current Account à ¢Ã¢â‚¬  Ã¢â‚¬Ëœ 19 to $17,459 b at December 2009 September 2009 Machinery Equipment spending à ¢Ã¢â‚¬  Ã¢â‚¬Ëœ 10.9 Last Quarter Households spending à ¢Ã¢â‚¬  Ã¢â‚¬Ëœ1.8 Last Quarter Unemployment rate à ¢Ã¢â‚¬  Ã¢â‚¬Å" to 5.3 Last 11 months Australian Dollar à ¢Ã¢â‚¬  Ã¢â‚¬Ëœ against $US and  £ British 25 year high against  £ British Interest rate à ¢Ã¢â‚¬  Ã¢â‚¬Ëœ by 0.25 Source: http://www.tradingeconomics.com/Economics/GDPGrowth.aspx?Symbol=AUD#ixzz0i0diuCw6 Also http://abs.gov.au/AUSSTATS/[emailprotected]/mf/5302.0/ Economists believe that the underlying reason for Australias Economic performance is Rudds Government stimulus package as well as increase in export however the widened account deficit of 19% in December 2009 figures is mainly due to an increase in imports. One of the consequences of this is expected to be a 1.3% decrease in Australias GDP therefore the recovery period is going to be weak (Market watch, 2010). Figure 9.Effect of fiscal stimulus on real GDP (forecasts from May 2009 Budget) Source: http://www.treasury.gov.au/documents/1686/HTML/docshell.asp?URL=Australian_Business_Economists_Annual_Forecasting_Conf_2009.htm The unemployment rate has dropped by 5.3% and the number of people employed has increased by 52700. This will put more pressure on RBA to increase interest (The Australian, n.d). Figure10. Effect of fiscal stimulus on the unemployment rate (forecasts from May 2009 Budget) Source: http://www.treasury.gov.au/documents/1686/HTML/docshell.asp?URL=Australian_Business_Economists_Annual_Forecasting Treasury secretary Ken Henry warns of the adverse shocks to financial markets despite the fact that GFC seems to have passed. Further more he explains that fiscal circumstances improve as the economy strengthens. As the economy strengthens, other things being equal, there is increasing upward pressure on prices and monetary responses to that (The Australian, n.d). In his book The Great Crash of 2008, the economic advisor Ross Garnaut, warns Kevin Rudd of hard times ahead in terms of lower living standards and economic wellbeing as a result of stimulus response to GFC (The Australian, October2009). Garnauts point of view is also shared by many other economists who consider the stimulus package a dangerous revival of a discredited Keynesianism which focuses on the short term aggregate spending as the source of growth in the economy. Some point out that fiscal policies result in an interest rate rise which has a crowding out effect on the expansion due to export and import. Hence they argue the ineffectiveness of Australias fiscal policy. The supporters of Stimulus package on the other hand argue that the spending avoided further economic contraction at the right time boosting consumers and businesss confidence and hence avoiding a recession. They also argue back with regards to trade issue pointed above, in the sense that Australias trade share is 47% of GDP which is less than the 60% quoted in previous studies as a benchmark of ineffectiveness of fiscal stimulus. They therefore argue that because of the lower trade share the fiscal stimulus has been effective in Australia (The Australian, n.d). Irving Fischer, the renowned American economist contributed to the economics in many ways one of which is his theory of Inter-Temporal Choice, which describes that through time savings, interest rates and investments are related(The Australian, n.d.). His theory highlights that present economic decisions have to have the future in mind  [4]  . Discussion There has been increasing concern amongst the economists in Australia about the sustainability of the fiscal policy in particular with regards to a solution for the current government deficit of $17.459 billion (Table 1). Australia has had challenging times in maintaining a stable economic condition. The recent Global Financial Crisis (GFC) that started in 2007 imposed great pressure on the economy. Nevertheless implementation of the fiscal and monetary policies achieved a better than expected performance by the economy (Budget, 2009-10), with forecasts of stronger growth and lower unemployment. Rudds Stimulus package through its fiscal expansionary characteristics seems to have been an appropriate response to the GFC in stabilizing the output levels however there is great concerns regarding the future of the economy. Did our politicians throw in a Keynesian based fiscal stimulus package without consideration of future consequences of it? Was there any vote buying elements incorporated in the design of it? There is a general consensus amongst the economists on the effectiveness of lowering interest rates as a monetary response to GFC by RBA which was also assisted by a depreciated exchange rate. On the other hand the fiscal policy has generated a lot of debate amongst the economists with no consensus on its effectiveness in sight. This is mainly due to the long lasting effect of the fiscal stimulus as oppose to short term, temporary and more reversible effect of the monetary stimulus. Kevin Rudds Fiscal stimulation concentrated on aggregate spending in short term to boost economic growth as per the Keynesian model. This has been proven to be the case in Australia however the unproductiveness of this large scale spending and the deficit resulting from it is far from a perfect economic condition. Does Kevin Rudd share the thought with John Maynard Keynes of in the long run we are all dead? If so are we, the Australian people supposed to suffer the consequences of his 17 billion dollars debt through our taxes, higher interest rates and higher inflation? If Irving Fisher was alive and if he was with Kevin Rudd when he was signing on the stimulus package, perhaps he would have reminded the prime minister that although his short term fiscal stimulus policy would increase public spending, it would show no regards to achieving long term high standard of living for Australian people. The side effects of the fiscal cash out include: Increasing future taxes to pay for the debts Higher interest Likelihood of inflation (as history shows us that the easiest way out of public debt has traditionally involved money creation). So was Kevin Rudds big night out worth the next days hangover of a budget deficit that adds to public debts which would further drain the economy? Or has the government designed an appropriate fiscal rebalancing strategy that it hasnt shared with Australian public yet?

Kuleshov Effect Essay

Montage is one of the three important steps in cinematographic creation, with pre-production and shooting. Technically, it is the action of cutting, pasting and putting together shots. It helps creating rhythm, meaning and order to the story. Montage is an art form : with the same shots, you can express thousands of different feelings and visions according to the montage used. Kuleshov, a Russian filmmaker in the 1920’s, is the first one to write about this theory, now known as the ‘Kuleshov Effect’. This theory is used everywhere now (advertisement, news paper†¦). The Kuleshov Effect theory is that every shot depends on the context, of what happened before and what will happen after. Kuleshov discovered that the viewer creates his own interpretation of what he sees on the screen. For example, with the shot of a man with no expression on his face, he can create the impression of hunger when putting a shot with food right after, or of sadness with a shot of a dead person, or of kindness with the shot of a little girl playing. This theory can be summarized with the formula A + B = C ; ‘A’ being the first shot, ‘B’ the second one, and ‘C’ the meaning the viewer’s mind creates by putting those two shots together. So the Kuleshov Effect is very powerful. When we had to work on a project using the Kuleshov Effect, with my teammates, Giovanna and Christian, we first decided to create a funny story. So we decided to do a funny final twist for our first work. The first shot, the ‘A’, was a boy running in the hallway, as if he was in a hurry to go to some very important place. The second shot was him looking desperately to something, and then the camera moved to the student store’s sign saying : ‘Closed’. So the emotion the viewer has when he sees the whole video is disappointment, because he was waiting for something very important to happen. But if we had used the same first shot with another ‘B’ shot, for example a policeman running, or someone dying in a hospital bed, the emotion would not have been the same. For our second work, we chose to do something more typical, like what Kuleshov did for his own experiment. So we shot the face of a boy, with no expression, for the ‘A’ shot. Then we shot three different situations : a vending machine (B1), a Tic tac toe (B2), and a girl walking in the hallway (B3). The idea was to show that with the same ‘A’ shot, put with different ‘B’ shots, a different emotion could be created ; A+B1 shows hunger, A+B2 shows focusing, and A+B3 shows attraction. To have the best shots as possible, we learned how to white balance a camera, which was not very easy since we had to do it manually ! When we started shooting, we had a very good time looking for how we should put the camera to have the greatest shot as possible ; it was very fun because we felt like real filmmakers. For example for our shot of the boy running in the hallway, we first wanted to use a pan and follow the boy running, but then we realized that the result was not as powerful as we would expect it to be, so we chose to use a steady shot instead, with an eye-level angle and a long shot to see the whole movement. Then another interesting shot in my opinion was the one of the ‘CLOSED’ placard ; we decided to use a tilt movement of the camera down to up, which was a smart choice I think because it seemed that the boy who was squat on the floor after running was looking up to the sign. For the second part of the work, we only used steady shots because we thought it would be more powerful for the experiment of the Kuleshov Effect. The face of the boy with no expression is a Close Up and Eye Level shot, because we learned that a close up was the best way to show the expressions of someone, and the goal of this shot was for the viewer to create his own emotion for that particular shot. But shooting is not the easiest thing of the world, most of the time we had to do the shots twice because the angle was not good, or the camera not white balanced enough. For the montage with FinalCutProX, we discovered that we could cut some of the shot we had, to reduce their length. That was a very effective feature for us because some of our shots tended to be too long for their purpose, for example to create suspense. Another really important feature of the software, of course, is that it allows you to place your shots as you want, and not especially in the order you shot them, which was great because sometimes we did not film our shots in the order we wanted them to appear in the final video. So montage is really a key step in the process of filmmaking.

The Earth Charter - 2229 Words

Stoyanov, Alex Contemporary Poli Thought Final Paper The Earth Charter is a radical document that tries to offer solutions to help the world and all of mankind to try and find a level of sustainability. Through Jean Paul Sartre’s theories and ideologies, I try and find my own voice and ideals of how I personally feel about the Earth Charter. Many people have tried to figure out what they could do, with little success, to fix the Earth and save it from ourselves. Though it is a start, the Earth Charter simply does not have a clear and concise plan of what needs to be done. Jean Paul Sartre’s conceptualizations of justice and power and how power should be organized make the Earth Charter an unjust document. Question 1 Nietzsche†¦show more content†¦French historian and philosopher Michel Foucault conceptualized justice as an ever changing product of man. He uses the example of the regicide trial of Robert-Francois Dameins as a prime example of how justice is ever changing.3 In the year of 1757 Damiens was publicly executed by drawing and quartering, a form of execution in which Convicts were fastened to a hurdle, or wooden panel, and drawn by horse to the place of execution, where they were hanged (almost to the point of death), emasculated, disemboweled, beheaded and chopped into four pieces. Foucault mentions this because of the fact that less than a 100 years later the first modern prisons are created and rules for them are identified. It shows the huge change that has happened with justice, when in which hanging and quartering at a time was found to be a just form of capital punishment, now it is considered inhumane and cruel. Justice must always question itself,† Foucault argues, â€Å"just as society can exist only by means of the work it does on itself and on its institutions4. The Earth Charter, though it has a good message, is seriously flawed and it is impossible for me to fully accept it with authenticity and sincerity. It serves as a kind of Ten Commandments for promoting a healthy planet and a sustainable future for it. It wants people to eradicate the major problems that concern our world such as poverty, discrimination, global warming, over using of natural resources and many otherShow MoreRelatedThe Earth Charter : A Declaration Of Fundamental Principles1460 Words   |  6 PagesThe Earth Charter is a declaration of fundamental principles for building a safe, sustainable, and peaceful world. It strives to identify the critical challenges and choices facing humanity. The Earth Charter provides moral framework for the development of the emerging global civilization. It is designed to inspire people to have a new sense of global interdependence and shared responsibility for the well-being of the humanity, life, and future generations. 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