Peter Drucker addresses a conference via satellite. During his talk, he discusses: the formation of the Drucker Foundation, the growth of nonprofit organizations, the expectations of volunteers, innovation, seeing problems as opportunities, learning to convert good intentions into performance...

I apply Ricardo’s principle of comparative advantage to a theory of factor substitutability in a model with a continuum of worker and job types. Highly skilled workers have a comparative advantage in complex jobs. The model satisfies the distance-dependent elasticity of substitution (DIDES)...

Conventional R&D-based growth theory argues that productivity growth is driven by population growth but the data suggest that the erstwhile positive correlation between population and productivity turned negative during the 20th century. In order to resolve this problem we integrate R&D-based...

In this paper we analyze the links between health status (measured by selfreported illness occurrence) and individuals' socioeconomic situation. Using the annual households surveys of Uruguay for the period 1991 to 2000, we compute probit models and find that men, unmarried, young people,...