Market Demand Functions in the CAPM
15 Pages Posted: 1 Feb 1997
Date Written: October 1996
Abstract
We demonstrate that in a CAPM economy Homogeneity,Walras' Law, and the Tobin Separation Property characterize market demand on finite sets of prices. Consequently, for any number n there exist CAPM economies which have at least n equilibria and hence have n different beta pricing formulas. Endowment pertubations in these economies cannot decrease the number of equilibria below n.
JEL Classification: C62, D51, G12
Suggested Citation: Suggested Citation
Bottazzi, Jean-Marc and Hens, Thorsten and Loeffler, Andreas, Market Demand Functions in the CAPM (October 1996). Available at SSRN: https://ssrn.com/abstract=2056 or http://dx.doi.org/10.2139/ssrn.2056
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