This document examines optimal capital taxation with wage-setting labour unions when the government taxes consumption, labour, and capital. The results are as follows. If unions can commit themselves to particular wages for a long period, then there is no hold-up problem. Otherwise, the hold-up...

Economic integration is examined in a multi-economy Schumpeterian growth model where economies differ in their research environment, and consequently in the productivity of R&D. It is shown that economies with more or less the same productivity of R&D integrate. In equilibrium, there can be many...