The Macroeconomic analysis of fiscal policy is usually based on one of two canonical models--the Barro-Ramsey model of infinitely-lived families or the Diamond-Samuelson model of overlapping generations. This paper argues that neither model is satisfactory and suggests an alternative. In the...

This paper investigates the determinants of real interest rates at world and country level. The starting point is the idea that the real interest rates reflect the interaction of desired saving and planned investment, using the framework developed by Barro and Sala-i- Martin (1990) and Barro (1992).

A lifetime portfolio of risky and risk-free sexual activities is conceptually constructed in this paper. People's time allocation between risky and risk-free sexual activities affects, and is affected by, the prevalence of AIDS. A small satisfaction differential between risky sex and risk-free...

Hotelling's conceptual framework is expanded to incorporate the effects of a backstop technology on the planning horizon of the suppliers of an exhaustible resource and its price and quantity trajectories. It is shown that in the non-trivial case, the presence of a backstop technology shortens...

We introduce an element of centralization in a random matching model of money that allows for private liabilities to circulate as media of exchange. Some agents which we identify as banks, are endowed with the technology to issue notes and to record-keep reserves with a central clearinghouse,...