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宏观经济学试卷(A)标准答案(Macroeconomics paper (A) standard answer).doc

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宏观经济学试卷(A)标准答案(Macroeconomics paper (A) standard answer) self-collected Feel very useful So upload to baidu Share it with you! Economics overview paper 4 (B) standard answers One, a single choice One point per problem A total of 20 points) 1 minus 5: B, B, C, A, B, 6 minus 10: D D B D A 11-15: A C B B C 16-20: D B B A A (1) 1 A total of 10 points) It is a square root of 25 26. Times 27 (4 points for each question A total of 20 points) 31. Okuns law: In the 1960s American economist Arthur okun based in the United States The empirical relationship between unemployment change and output change in the economic cycle is presented Okuns law (1) the unemployment rate is one percentage point above the natural rate of unemployment Real GDP would be less than 2 percentage points of potential GDP (2 points) The formula is expressed as (y-yf)/yf = -a (u - u), where y is the actual output Yf is potential output U is the actual unemployment rate The u is the natural unemployment rate A is a parameter greater than zero (1) 32. Extrusion effect: It refers to the effect of a decrease in private consumption or investment caused by increased government expenditure (4) 33. Automatic stabilizer: Also called intrinsic stabilizer It refers to the mechanism by which the economic system itself exists to reduce the impact on national income (2 points) Can automatically suppress inflation during the boom During the recession, the depression was automatically reduced No government action is needed (2 points) 34. Rational expectations: Rational expectations are the premise of using all information effectively Economic variables are the most accurate in terms of long-term averages And it is consistent with the economic theory and model used (4 points) or written as That is, it consists of three meanings: first The economic body that makes economic decisions is rational second To make the right expectations The subject of the economy is trying to get all the information in the expectation The thi
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