This paper investigates the effect of herd behavior, or information cascades, on the willingness to be vaccinated against COVID-19. We use the 2021/2022 wave of the European Social Survey combined with data from the organization Our World in Data and measure the herding behavior as the change in...

Temporary and circular migration programs have been devised by many destination countries and supported by the European Commission as a policy to reduce welfare and social costs of immigration in destination countries. In this chapter, we present an additional reason for proposing temporary...

We examine the determinants of a current migrant's location choice emphasizing the relative importance and interaction of migrant stocks and flows. We show that both stocks and flow have significant impacts on the migrant's decision of where to locate. The significance and size of the effects...

We argue that a purpose of foreign aid is to whet the appetite of the recipient to bring about a long term commitment to what the donor perceives as a need, but the recipient may rank lower down on his list of undertakings, or may be sufficiently resource constrained as to be unable to start the...