Policy debates on trade and the environment frequently refer to a need for countries linked by trade to co-ordinate their environmental policies even for entirely local pollution problems; co-ordination is often taken to imply harmonisation of environmental policies to provide a 'level playing...

This paper presents an empirical investigation of the determinants of labour market earnings in Egypt. Using Human Capital model, the determinants of regional earnings and returns to education by region are examined. The relative importance of individual and regional effects on earnings...

The implications for labor markets of contracts to avoid hold-up of investments are assessed. Employment at will protects the returns on a firm's general and specific investments without wages increasing with tenure. With turnover costs, fixed but renegotiable wages can protect general...

In this paper, we evaluate the institutional and legal structure of the Colombian government. In particular, we want to assess how a system of institutional checks and balances can be structured to promote the rule of law, preserve property rights, and stimulate economic growth. The 1991...

Early results of evolutionary game theory showed that the risk dominant equilibrium is uniquely selected on the long run by the best response dynamics with mutation. Bergin and Lipman (1996) qualified this result by showing that for a given population size the evolutionary process can select any...

We introduce notions of evolutionary stability for sets of strategies based on the following requirements: After every sufficiently small mutation of a population playing a single strategy in the set: a) No single mutant strategy can spread. b) A single mutant strategy not in the set will be...