The authors report evidence of monthly seasonality in the estimate of the CAPM-based equity risk premium on the NYSE and the London, Paris, and Brussels exchanges. In Belgium and France, the risk premium is positive in January and negative the rest of the year. In the United Kingdom, it is...

This article presents a mean-variance model of the risk-averse firm under price uncertainty and examines the impact of uncertainty on the firm's production decision.It then develops a geometric method for comparative-statics analysis.

This article extends the standard theory of the producer cooperative firm to the case of production under condition of risk