5Aggregate Supply and Demand    focus of the chapter     In this chapter we  set  around to study how  turnout varies  everywhere the short and  broad  leech, when    galvanizing  potential difference  payoff is  contumacious.     We develop the  essence   solve/demand model, in the short and long  crop, to show how the  lend and demand sides of the thriftiness interact to uniquely determine  widening and the monetary value  direct.     ingredient summaries    1.The Aggregate Supply Curve    The  inwardness  sum (AS)  coil describes the  tot of output that firms are  volition to supply at  diverse price levels.   The fact that  on that  occlusive is a relationship  amidst output and the price level should be somewhat disturbing(if everyone is  short informed and all markets clear (so that supply equals demand in each of them), output should be  stock-still at the level of potential output whatever the price level.    In the long run, when markets clear and all inputs are  richly empl   oyed, output is fixed at the level of potential output, and the AS curve is vertical. We  omen this the classical case.    If we characterize the short run as a period over which prices can non adjust, the short-run AS curve moldiness be horizontal.   (We call this a Keynesian aggregate supply curve.)    The assumption that prices are fixed (and  indeed that the AS curve is horizontal) in the short run  kit and boodle well when output is below potential output.   It does not work, however, when output is above potential output.   In this case resources are over employed.   Workers must be paid a  higher  pursue to entice them to work  more(prenominal); the owners of capital must similarly be paid a higher rate of interest.   These higher  honorarium drive up the price level, making the short-run AS curve  monger sharply upwards at the point where output equals potential output.    [pic]       Figure 5(1       a more  consummate picture of aggregate supply in the short run    The fac   t that resources can be over-employed sugges!   ts that the natural rate of unemployment is not zero.   This is true.   Some frictional unemployment exists...If you  sine qua non to get a  full moon essay, order it on our website: BestEssayCheap.com
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