Basic innovations are often fundamental to the development of applications that maybe developed by other innovators. In this setting, we investigate whether patent pools canrectify the lack of incentives for developers to invest in applications. Following Green andScotchmer (1995), we also...

This paper describes major external changes to the U.S. public agricultural researchsystem over 1988-1999; describes the reactions of the public agricultural research system to theexternal changes, specifying the innovations that have occurred over the last decade; and drawsconclusions about the present...

In developing countries, rising incomes, increased demand for more skilled labor, and government investments of considerable resources on building and equipping schools and paying teachers have contributed to global convergence in enrollment rates and completed years of schooling. Nevertheless,...

Malnutrition and food deprivation, which are concentrated in poor countries, have been along-term concern of economists, but as per capita income in developed countries has grown in the20th century, a new problem of over-nutrition leading to obesity has occurred. This paper developsmodels of...

How does technological progress in financial intermediation affect the economy? To address this questiona costly-state verification framework is embedded into a standard growth model. In particular, financialintermediaries can invest resources to monitor the returns earned by firms. The...

Much of Africa has been ravaged by the AIDS epidemic. There, heterosexual contactis the primary mode of transmission for the HIV virus. Even when access to condomsis good and their price low, a large fraction of young Africans continue to engage inunprotected sex. In this paper, we propose a...