2009 al 30

Blood that is donated for money is found to be more prone to disease

than blood donated for free.Which of the following explain this phenomenon ?

A. the cost of checking blood quality is prohibitively high

B. blood donors tend not to donate their blood for free if they

know their blood is medically dangerous

C.it is difficult to set a price for blood in the market

D. all of the above

每個pts可以解釋一下..ths

eng is preferred ..

真係唔店用中文解都OK..

1 Answer

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  • 1 decade ago
    Favorite Answer

    A.

    根據marginal-equl principles

    紅十字會接受捐血到MC=MV既時候就會停

    血液既市場永遠都係efficient level

    cost根本冇可能prohibitively high

    B好易諗,如果捐血有錢賺

    d人明知自己有愛滋都會黎捐,答案應該係B

    C.姑且當血液真係好難定價

    但咁樣解釋唔到點解血液有價時會多左帶毒既血

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