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微观经济学---英文The price-quantity data in the following table wil

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微观经济学---英文
The price-quantity data in the following table will graph a straight line demand curve.Use both the elasticity measure and the total revenue curve to determine the elasticity of demand for each price change.What can you conclude about the relationship between the slope of the demand curve and its elasticity?Answer the question using both numerical and graphical methods.
Product Price ($) Quantity Demanded Total Revenue ($)
7 0
6 1
5 2
4 3
3 4
2 5
1 6
很简单的.
PQ就是TR
那么可以得到
TR分别是
7,6,10,12,12,10,6
先升后降,对吧
而Q是一直提高的
P是一直降低的
为了方便解释,我们从另外一边看
随着P从1到7
TR先高后低
P升高,TR也高,说明从P到1,2,3这个阶段是inelsastic
然后3,4这个阶段是UNIT
后面是elastic
图实在不好画,就是一条直线,从Y到X轴...
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