This paper discusses a two-sector neoclassical overlapping generationseconomy with intermediate and final goods in the spirit of Romer(1990). The risk averse agents engage in one of two alternative occupations:either firm-ownership in the intermediate goods sector, characterizedby monopolistic...

This paper investigates the impact of heterogeneous beliefs of professional investors on the currency options market. Using a unique data set with detailed information on the foreign-exchange forecasts of about 50 market participants over more than ten years, we construct an empirical proxy for...

In this paper we solve an intertemporal portfolio problem with correlation risk, using a new approach for the simultaneous modeling of stochastic correlation and volatility. The solutions of the model are in closed form and include an optimal portfolio demand for hedging correlation risk. We...

This paper analyzes the relation between correlation risk and the cross-section of hedge fund returns.Legal framework and investment mandate imply that hedge funds can be severely exposed tocorrelation risk: Hedge funds ability to enter long-short positions can be useful to reduce marketbeta,...

Agent-based Computational Economics (ACE) is the computational study of economic processesmodeled as dynamic systems of interacting agents. This essay discusses the potentialuse of ACE modeling tools for the study of macroeconomic systems. Points are illustratedusing an ACE model of a two-sector...

What an entrepreneurial opportunity is and from whence it comes are important issues for understanding how markets function and come into being.In addition to describing the forum held on the topic and summarizing the contributions of the articles that appear in the special issue, this article...

This paper investigates the effects of monopolistic competition onentrepreneurial riskRtaking in a general equilibrium model. In thiscontext, occupational choice of risk averse agents is biased towardsfirm ownership. In this case, the inefficiencies due to the presence ofnondiversifiable risk...

This paper investigates how investors who face both equity risk and credit risk would optimally allocate their financial wealth in a dynamic continuous-time setup.

This paper solves the intertemporal investment problem of an investor holding a portfolio of default-free and defaultable bonds.

In this paper, we investigate how investors who face both equity risk andcredit risk would optimally allocate their financial wealth in a dynamic continuous-time setup. We model credit risk through the defaultable zero-coupon bond and solve the dynamics of its price after pricing it. Using...