This paper provides conditions on the primitives of a continuous-time economy under which there exist equilibria obeying the consumption-based capital asset pricing model. The paper also extends the equilibrium characterization of interest rates of Cox, Ingersoll, and Ross (1985) to multiagent...

The paper analyzes the process of market selection of investment strategies in an incomplete market of short-lived assets. In the model understudy, asset payoffs depend on exogenous random factors. Market participants use dynamic investment strategies taking account of available information...

This paper studies an application of a Darwinian theory of portfolio selection to stocks listed in the Dow Jones Industrial Average (DJIA). We analyze numerically the long-run outcome of the competition of fix-mix portfolio rules in a stock market with actual DJIA dividends. In the model...

We present a new theory of asset pricing and portfolio choices under asymmetric reasoning, contrast the predictions with those under asymmetric information, and present experimental evidence in favor of our theory. The Efficient Markets Hypothesis and its formal foundation, the Rational...