We show that differences in market participants risk aversion can generate herd behavior in stock markets where assets are traded sequentially. This in turn prevents learning of market’s fundamentals. These results are obtained without introducing multidimensional uncertainty or transaction...

We show that differences in market participants risk aversion can generate herd behavior in stock markets where assets are traded sequentially. This in turn prevents learning of market's fundamentals. These results are obtained without introducing multidimensional uncertainty or transaction...

Merton (1974) analysed the risk structure of corporate bonds under the assumption of a flat term structure of interest rates. We clarify his results and extend them to the case of stochastic interest rates. As a consequence we deal simultaneously with interest rate risk and with default risk. We...

We define belief-free equilibria in two-player games with incomplete information as sequential equilibria for which players' continuation strategies are best replies after every history, independently of their beliefs about the state of nature. We characterize a set of payoffs that includes all...