请教各位高人,
P=E(x)/Rf+Cov[ βu'(ct+1),xt+1]/u'(ct)
Marginal utility u’(c) declines as c rises. Thus an asset’s price is lowered if its payoff covaries positively with consumption.
请问这句怎么理解啊,如果payoff和consumption是正相关的,那么Cov这一项不就是正的吗, price怎么会减少呢?实在不解.|
楼主: irving007
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[金融英语] [求助]请教Asset pricing的问题,谢谢 |
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本科生 35%
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