Federalism
Two political scientists whose work stands out in this area are John Gerring and Erik Wibbels. Their work is concerned with a number of struc- tural features of governments and is not designed to focus on differences be- tween federal and unitary regimes. Nevertheless, they both compare these two structures in a great many ways, and their findings are of immense val- ue to students of comparative federalism. Individually and with various col- leagues, both Gerring and Wibbels have