This article seeks to explain the contradiction between the promises of welfare gains derived from the economic models recommending the removal of immigration restrictions and the realities experienced by countries attempting to apply restrictions to immigration flows. A formal model is built in...

This paper provides new evidences about the determinants of institutional quality. Given the shortcomings of governance indicators, we first discuss the criteria employed to judge institutional quality. Then, we identify the factors that, according to these criteria, shape the quality of...

During recent years, new doubts about the effectiveness of international aid have emerged. One of the arguments employed to justify this sceptical view is that aid can hinder tax effort in developing countries. Nevertheless, empirical research on the aid-tax nexus is inconclusive and it shows...

The international community has advanced in reforming the international aid system. Such reform comes at a time when there is a renewed skepticism about aid effectiveness and when the crisis sheds new doubts about the sustainability of donors´ commitments. At the same time, the international...