Previous theoretical and empirical research has shown that policymakers have an incentive to centralize government activities in order to weaken the com-petitive pressure of fiscal federalism. We propose and test a positive model of fiscal federalism in which centralization is less likely to...

According to the Leviathan-Model, fiscal federalism is seen as a binding constraint on a revenue-maximizing government. The competitive pressure of fiscal federalism is supposed to reduce public sector size as compared to unitary states. However, empirical results concerning the Leviathan...