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[五常考室第6期]答案

(2007-07-31 08:07:37)
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张五常

经济学

分类: 五常考室
 
 
本期答案:
 

When more is perfered to less, scarcity is implied. This situation certainly exists in a one-man economy, because that one man must be observed to sacrifice something to get something else.  Whenever sacrifice is observed, scarcity is implied.

 

There is no shortage even in a society, for the simple reason that all markets must be “cleared” in order to produce equilibrium situations.  If equilibrium is not attained, no theory is implied, hence economics cannot explain behaviour.  If the price of a good is controlled to below the market price, the alleged presence of the shortage, hence disequilibrium, simply means that we have no theory.  It is not a fact.  If queuing occurs, equilibrium may again be derived as a matter of routine, but then the market is again cleared—hence no shortage.

 

 

本博客管理员:
 
请各位同学根据公布的答案给自己客观地打分,不必在此公布,做到心里有数就可以了。以10分为满分,5分为合格,7分为良好,9分为优秀。以后做完100条题目之后,如果平均分可达6分,即达到张五常教授硕士时的水平;如果平均分可达8分,即达到张五常教授博士时的水平。

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