Recent European Legislation on immigration has revealed a particular paradox on migration policies. On the one hand … of counterbalancing immigration policies is not odd but it could be in line with an optimal policy to control migration … immigration quotas. On the other hand, there is an increase of regularization, i.e., European policies are becoming less tight …

We analyse whether migration is an adaptation that households employ to cope with climate in Ghana and Nigeria. If … migration is part of the present adaptation portfolio of households in developing countries, it is reasonable to expect that it … generated by General Circulation model reveal that, ceteris paribus, migration may decline in Ghana and in Nigeria. …

-layered diversification process in Western societies. Migration phenomena are largely responsible for this process both in receiving European … societies as well as in original sending countries. Migration has been and continues to be a ubiquitous human experience. Yet …

Option Theory, investigates the roots of the migration dynamics. In the model the decision to migrate of each individual … observable "jumps" in the migration flows and to describe how the trigger for entry can change depending on the dimension of the …

This work is devoted to study the role of combined entry and exit strategies in the migration process. We develop a … triggers the migration choice, while the second triggers the return to the country of origin. The theoretical results show that … in some cases we observe migration inflows with a low wage differential and also with underunemployment. We show also …

This paper tries to explain why most migration flows show some observable jumps in their processes, a phenomenon that … seems to be sympathetic with the characteristic of irreversibility of migration. We present a real option model where the … probability of being fully integrated into the host country. The theoretical results show that the optimal migration decision of a …

In this paper we analyze the response of career, employment and wage of native Europeans to immigration. We then ask … flexible labor markets in a country are a key factor to have employment upgrading in response to immigration. …

migration. To address this research question a bivariate probit model is employed, in that the decision to migrate and to join a … to temporary circular migration to overcome contingent liquidity constraint and therefore social capital is a substitute …