题目内容
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[主观题]
价格管制可能会导致___________或非法市场的产生。当需求者或者供给者无法按政府管制的价格购买或
销售他们希望的产品,他们会试图找那些__________规定价格的市场参与者。
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A.负面新闻可能会导致投资组合非系统性风险增加
B.投资组合中的资产数量越多,非系统性风险越小,甚至接近于零
C.非系统性风险也可称作个体风险
D.大多数资产价格变动方向往往是相反的
Our model takes the price level P as given in the short run,but in reality the currency appreciation caused by a permanent fiscal expansion might cause P to fall a bit by lowering some import prices.If P can fall slightly as a result of a permanent fiscal expansion,is it still true that there are no output effects? (As above,assume an initial long-run equilibrium.)