This paper extends the field of index number theory to the case of risk, by deriving the Divisia index from the Euler equations under risk, rather than from the first order conditions under perfect certainty, as was done by Francois Divisia. The result is an extended Divisia index which corrects for risk by subtracting from each risky user cost price a CCAPM beta term. The formula is derived and illustrated in terms of aggregation over monetary assets that yield risky return paid at the end of the period. Hence the beta correction is a function of the covariance between each rate of return and the consumption stream, and also depends upon the degree of risk aversion.
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Paper provided by EconWPA in its series Finance with number
9602001.
Length: 24 pages Date of creation: 12 Feb 1996 Date of revision: Handle: RePEc:wpa:wuwpfi:9602001
Note: Type of Document - Microsoft Word; prepared on Macintosh; to print on Postscript; pages: 24 ; figures: None.. See Contact details of provider: Web page: http://129.3.20.41
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Find related papers by JEL classification: G1 - Financial Economics - - General Financial Markets E4 - Macroeconomics and Monetary Economics - - Money and Interest Rates
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