While financial markets have recently become more complete and international capital flows well liberalized, markets for goods remain segmented. To investigate how financial innovation and more complete security markets may relieve the effects of this segmentation, we examine a series of...

We investigate the role of quot;arbitrageurs,quot; who exploit price discrepancies between redundant securities. Arbitrage opportunities arise endogenously in an economy populated by rational, heterogeneous investors facing investment restrictions. We show that an arbitrageur alleviates these...

In this paper, we shed new light on the role of monetary policy in asset pricing by examining the case where investors have heterogeneous expectations about future monetary policy. This case is realistic, because central banks are typically less than perfectly open on their intentions....

We propose a two-country model with heterogeneous beliefs to understand the forward premium puzzle. Facing a shock to the domestic money supply, the disagreement between domestic and foreign investors shifts the relative wealth of investors, which moves the exchange rate and interest rate...