This study establishes and tests, within the framework of a noisy rational expectations equilibrium model, a formal linear relationship between the price of a risky asset and the average (consensus) and the dispersion of agents' expectations. Difficulties raised by the estimation of this...

This paper examines, in a Canadian context, the effect of short sales regulation on the risk-return relationship. It shows that, theoretically, the opportunity cost induced by short sales regulation is positively related to the dispersion of agents' beliefs and negatively related to the...