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更多“价格水平（price level)”相关的问题
个别企业价格调整的交错如何影响物价总水平对货币紧缩的调整？
How does staggering of price adjustment by individual firms affect the adjustment of the overall
price level to a monetary contraction？
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．)
平。假定在货币供给增加之前，利率等于长期利率，那么，长期价格水平上涨的幅度是大于还是小于货币供给增加的幅度？如果最初利率低于长期水平，情况又会如何？
Imagine that the central bank of an economy with unemployment doubles its money supply．In the long run，full employment is restored and output returns to its full employment level．On the (admittedly unlikely)assumption that the interest rate before the money supply increase equals the long-run interest rate，is the long-run increase in the price level more than proportional or less than proportional to the money supply change？ What if(as is more likely)the interest rate was initially below its long-run level？
运用DD-AA模型检验外国价格水平P*短期内上升的影响。假定未来预期汇率Ee会立即与P*成比例地上升(按购买力平价理论)，证明汇率也将立即对应P*的上升比例而上升。如果开始时经济处于内部平衡和外部平衡点，这一平衡点会因为P*的上升而发生改变吗？
Use the DD-AA model to examine the effects of a one-time rise in the foreign price level，P*．If the expected future exchange rate Eerises immediately in proportion to P*(in line with PPP)，show that the exchange rate will also appreciate immediately in proportion to the rise in P*．If the economy is initially in internal and external balance，will its position be disturbed by such a rise in P*？
(1)假设某厂商的产量函数为q=9x1/2,在短期，固定成本为1000美元，x为可变投入，其成本为4000美元/单位。生产q单位产品的总成本为多少？[即求出总成本函数C(q)]
(2)写出供给曲线方程。
(3)如果价格为1000美元，厂商产量为多少？利润水平为多少？在成本曲线图上表示出你的结论。
a. Suppose that a firm's production function is q=9x1/2in the short nun, where there are fixed costs of $ 1000, and x is the variable input whose cost is S 4000 per unit. What is the total cost of producing a level o[ output q？ In other words, identify the total cost function C(q)？
b. Write down the equation for the supply curve.
e. If price is $ 1000, how many units will the firm produce？ What is the level of profit？ Illustrate your answer on a cost - curve graph.
