This article analyzes optimal nonlinear portfolio management contracts. We consider a setting in which the investor faces moral hazard with respect to the effort and risk choices of the portfolio manager. The employment contract promises the manager: (i) a fixed payment, (ii) a proportional...

This paper analyzes optimal non-linear portfolio management contracts. We consider a setting where the investor faces moral hazard with respect to the effort and risk choices of the portfolio manager. The manager's employment contract promises her: (a) a fixed payment, (b) a proportional...

The acceleration of the U.S. productivity growth in the late 1990s suggests a significant advance in technological innovation, making the perceived probability of entering a "new economy" ever increasing. Based on macroeconomic data, we identify a Bayesian investor's belief evolution when facing...

The acceleration of U.S. productivity growth in late 1990s suggests a significant advance in technological innovations, making the perceived probability of entering a quot;new economyquot; ever increasing. Based on macroeconomic data, we identify a Bayesian investor's belief evolution when...

This paper models a stock split as a mechanism for inducing uninformed investors to pay brokers' analysts (through trading commissions) and informed investors (through trading losses) to monitor managers and make stock price more informative, which in turn creates a better investment environment...

Model selection (i.e., the choice of an asset pricing model to the exclusion of competing models) is an inherently misguided strategy when the true model is unavailable to the researcher. This paper illustrates the advantages of a model pooling approach in characterizing the cross section of...