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...

The United States is presently characterized by rising anti-immigrant sentiment, repressive immigration enforcement, and the negative framing of Latinos as threatening and undesirable. As a result, social boundaries between immigrants and natives have hardened and boundary crossing has become...

Migration is a controversial issue. Reading of the popular media in virtually any country, alongside an array of opinion polls suggest that residents see controls on immigration as essential and that people would prefer to see existing rules on entry tightened rather than relaxed. This stands in...

Often, immigration debates are conducted under the presumption that immigration policies must be justifiable only to those who already live in the respective country. Alas, reflection on the justifiability of immigration policies to those excluded becomes ever more important in a politically and...

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...