We study the earnings structure and the equilibrium assignment of workers when workers exert intra-firm spillovers on each other. We allow for arbitrary spillovers provided output depends on some aggregate index of workers' skill. Despite the possibility of increasing returns to skills,...

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...

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

We analyze the political support for employment protection legislation. Unlike my previous work on the same topic, this paper pays a lot of attention to the role of obsolescence in the growth process. In voting in favour of employment protection, incumbent employees trade off lower living...

This paper reviews two recent books on Political Economy by Allan Drazen and Torsten Persson and Guido Tabellini. It discusses some problems of the recent Political Economy literature.

This paper develops a model of job creation and job destruction in a growing economy with embodied technical progress, that we use to analyze the political support for employment protection legislations such as the ones that are observed in most European countries. We analyze the possibility of...