This paper evaluates how different lengths of entry regulation impact market structure and market performance using a dynamic structural model. We formulate an oligopoly model in the tradition of Ericson and Pakes (1995) and allow entry costs to vary over time. Firms have the opportunity to...

As often argued, a negative perception of immigration, or even emigration, prevails public opinions and governments in most countries. It is argued that caused by economic hardship or political hardship or political unrest in countries of origin, it would threaten well-being and identity in...

The main characteristic of the Latin American migration on the 20th century was the change of flow. Until the 1950s, Latin America received migrants from Europe and the Middle East. As a result of economic change, political instability, and economic crisis, Latin America started exporting...

We analyze a newly available dataset of migration policy decisions reported by governments to the United Nations Department of Economic and Social Affairs between 1976 and 2007. We find evidence indicating that most governments have policies aimed at either maintaining the status quo or at...

This paper examines the situation of a subgroup of non-citizens found in virtually all contemporary states, what I call “precarious residents”. Precarious residents can be defined as non-citizens living in the state that possess few social, political or economic rights, are highly vulnerable...

This paper elaborates on the recent race to sequence the human genome. Starting from the debate on public vs. private research arising from the genome case, the paper shows that in some fundamental research areas, where knowledge externalities play an important role, market and non-market...