Citizenship laws are changing in many countries. Although cross-national differences in the laws regulating access to citizenship are today not as large as they were several decades ago, they are still very apparent. Globally, there is convergence over some citizenship policy dimensions, but...

We investigate the origin and evolution of the legal institution of citizenship from a political economy perspective. We compile a new data set on citizenship laws across countries of the world which documents how these institutions have evolved in the postwar period. We show that, despite a...

Increasing immigration numbers in many parts of the world make it crucial for policy makers to think about effective integration policies. In this volume of the CESifo Forum we shed light on important mechanisms of immigrant integration: Access to citizenship and legal status in the destination...

We investigate the origin and evolution of the legal institution of citizenship. We compile a new data set on citizenship laws across countries of the world which documents how these institutions have evolved from the legal tradition of common and civil law established in the course of the 19th...