Was colonization very costly for the metropole? This view has been widely accepted among French historians even though little empirical evidence has been provided. Using original data from the colonial budgets of French West Africa (AOF) this paper provides new insights into the actual colonial...

Since the independences, having a single currency is an official policy objective of West African countries. In April 2000, West African decisions-makers decided to accelerate the integration of the region by creating a second monetary zone in addition to the WAEMU (West African Economic and...

There are continuing efforts at the monetary integration and unionization in West Africa. Several academics argue that a monetary union among West African states would be costly because of the magnitude of asymmetric shocks. A common monetary policy is inappropriate and ineffective to respond to...

Many OECD countries have changed the rules for immigrants in recent decades, generally making harder to enter and to stay. France is one example. This paper studies the immigrants' response to the 2004 reform of the immigration law, which made it harder for foreigners to obtain resident status....

We build a simple model of self-selection into migration and immigration policy determination. We first show that the effect of any immigration policy can be decomposed into a size and a composition effect. We then explore how the optimal policy may change once the latter effect is considered.

In democratic societies individual attitudes of voters represent the foundations of policy making. We start by analyzing patterns in public opinion on migration and find that, across countries of different income levels, only a small minority of voters favour more open migration policies. Next...

Since the 1970s Britain has gone from being a country of net emigration to one of net immigration, with a trend increase in immigration of more than 100,000 per year. This Paper represents the first attempt to model the variations in net migration for British and for foreign citizens, across...

In the last 20 years, developed countries have struggled with what seemed to be an ever rising tide of asylum seekers, a trend that has now gone into reverse. This paper examines what happened and why. How have oppression, violence and economic conditions in origin countries shaped worldwide...

This paper draws together, in the form of a survey, a number of different aspects of the United Kingdom's international migration experience since the Second World War. The areas covered include changes in the volume and composition of international migration and the factors influencing...

Immigration is one of the most hotly debated policy issues in the United States today. Despite marked divergence of opinions within political parties, several important immigration reforms were introduced in the post 1965 era. The purpose of this paper is to systematically analyze the drivers of...