This paper analyses the nature of knowledge spillovers from research and development (R&D) in the field of liquid crystal display technology by estimating the impact of inventors' changing organizational and collaborative affiliations on the probability of citations in US patents filed between...

This paper develops a real options approach to the optimal sequencing of antiretroviral drug cocktails for HIV/AIDS patients in resource-poor settings. The analysis focuses on the implications of endogenous resistance mutations in the virus that reduce or eliminate the effectiveness of...

This paper develops a simple analytical framework in which optimal health and retirement policies amid population aging can be discussed. To be efficient, these policies must recognize and exploit the dynamic complementarities between the timing of retirement, the size of lifecycle labour income...

Germany remains Europe's largest and most diversified source of new technology, but still lags in the fastest growing areas of today's high technology. After World War II, West-German technology policy sought to rebuild the institutions which had supported Germany's leadership in the high-tech...

Abstract This paper discusses policy options to reduce underpricing in initial public offerings (IPOs). It surveys recent theoretical insights into the causes and welfare implications of underpricing and reviews evidence on the signalling hypothesis, the winner’s curse model, the role of...