We study different methods of immigration control using a simple model of a congested world. Our main comparison involves quotas, the predominant instrument of immigration control, and a proposed system of immigration tolls and emigration subsidies. We show that the equilibrium of the proposed...

An argument brought forward by German municipalties against the new energy law is their fear of decreasing license fees paid by utilities for the right to use public roads for the transport of electricity. This paper argues from an economic point of vue that this fear is unjustified. The right...