Immigration and the French state: problems of policy implementation

"Why is it so difficult for a liberal-democratic state to regulate immigration? Although control of a territory is part and parcel of the definition of state sovereignty, labor-importing countries have found it increasingly difficult to regulate the flow of noncitizens across their borders. This article seeks to address the difficulties of regulating immigration by focusing on the policy-making process and the interaction of politics and markets in France, one of the principal countries of immigration."