Our objective is to identify the trading strategy that would allow an investor to take advantage of "excessive" stock price volatility and "sentiment" fluctuations. We construct a general equilibrium "difference-of-opinion" model of sentiment in which there are two classes of agents, one of...

Returns on international equities are characterized by jumps; moreover, these jumps tend to occur at the same time across countries leading to "systemic risk". We capture these stylized facts using a multivariate system of jump-diffusion processes where the arrival of jumps is simultaneous...

Firms differ in the extent to which they "pass through" changes in exchange rates into foreign currency prices and in their "exposure" to exchange rates-the responsiveness of their profits to changes in exchange rates. Because pricing affects profitability, a firm's pass-through and exposure...