منابع مشابه
The Consumption - Based Capital Asset Pricing Model
Arrow-Debreu Existence Result Let K be a normed vector lattice with positive cone K+ (see Schaefer (1974)). We consider an Arrow-Debreu (pure exchange) economy 9'= (?, e') in K, with m agents described by preference relations > i on K+ and initial endowments e' E K+. Throughout, we make the usual assumptions on preferences: each >i is reflexive, transitive, complete, convex, continuous, and str...
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Using Shafer and Vovk’s game-theoretic framework for probability, we derive a capital asset pricing model from an efficient market hypothesis, with no assumptions about the beliefs or preferences of investors. Our efficient market hypothesis says that a speculator with limited means cannot beat a particular index by a substantial factor. The model we derive says that the difference between the ...
متن کاملAn Intertemporal Capital Asset Pricing Model
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متن کاملA Two State Capital Asset Pricing Model
A famous model in nancial theory is the Capital Asset Pricing Model (CAPM). In this paper we propose a two state CAPM in which we assume that excess returns for the market and for a particular security are bivariate normally distributed. The parameters of the distribution are determined by the state of an unobserved stationary Markov chain. Two states represent two business regimes that are cha...
متن کاملA Labor Capital Asset Pricing Model
We show that labor search frictions are an important determinant of the cross-section of equity returns. In the data, sorting firms by loadings on labor market tightness, the key statistic of search models, generates a spread in future returns of 6% annually. We propose a partial equilibrium labor market model in which heterogeneous firms make optimal employment decisions under labor search fri...
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ژورنال
عنوان ژورنال: Journal of Economic Perspectives
سال: 2004
ISSN: 0895-3309
DOI: 10.1257/0895330042162340