We develop a model to analyze the implications of firing costs on incentives for R & D and international specialization. The key idea is that, to avoid paying firing costs, the country with a rigid labor market will tend to produce relatively secure goods, at a late stage of their product life...

The Jewish Social Contract begins by asking how a traditional Jew can participate politically and socially and in good faith in a modern democratic society, and ends by proposing a broad, inclusive notion of secularity. David Novak takes issue with the view--held by the late philosopher John...

The Internet plays a growing role in the economy. This paper extrapolates this trend and analyses a world where most transactions take place in "cyberspace". We ask the following question: how does the design of the search engine affect the incentives to innovate and the economy’s long run...

This paper studies a model of the distribution of income under bounded needs. Utility derived from any given good reaches a bliss point at a finite consumption level of that good. On the other hand, introducing new varieties always increases utility. It is assumed that each variety is owned by a...

We study an endogenous growth model where a profit-motivated R and D sector coexists with the introduction of free blueprints invented by philanthropists. These goods are priced at marginal cost, contrary to proprietary ones which are produced by a monopoly owned by the inventor. We show that...