This paper develops and analyzes a macroeconomic model in which aggregate growth and fluctuations arise from the discovery and diffusion of new technologies; there are no exogenous aggregate shocks. The temporal behavior of aggregates is driven by individuals' efforts to innovate and/or make use...

This paper examines how the first-best models of compensation based on the agents' talents and responsibilities analyzed in some recent contributions can be extended to a second-best context. A few social criteria are proposed and compared to alternative approaches by Roemer and Van de gaer.

Recent monetary history has been characterized by monetary authorities that appear to shift periodically between distinct policy regimes associated with higher or lower average rates of money creation. As policy regimes are not directly observable and as the rate of monetary expansion varies for...

This paper investigates the impact of including the risk of fire in an optimal tree harvesting model at the stand level, assuming timber prices follow a mean reverting stochastic process. The relevant partial differential equation is derived under different assumptions about hedging the risk of...

The issue of optimal capacity expansion for domestic processing of exhaustible, natural resource exports in a small open economy is analysed in the context of non-melleable capital.

We examine immigration policy and its redistributive effects using a model of a rich country which must spend on border control in order to regulate immigration from a poor country. There are owners and workers in the rich country, and a public sector whi ch makes redistributive transfers from...

A model of tax competition in which firms earn rents is described. The size of these rents, coupled with the degree to which the firms are foreign-owned, determine the equilibrium tax rates. The existence of rents significantly alters some generally accepted results involving the possibility of...