In this paper, commuting is introduced to a federal setting where an ad valorem residence based tax on labour income is decentralised. Under full decentralisation, this has lower-level (state) governments set inefficiently low taxes, even when households as a whole do not migrate. The motive of...

We analyze a two-period modell where risk-averse students divide their time between risky education, leisure, and work. The educated can migrate. Wagetax financed transfer to students acts as an insurance, and increases both investment in education and demand for leisure. We drive sufficient...

The paper considers governments' public procurement decision as a way of influencing industry structure. In a federation in which capital is mobile and capital taxation is harmonized, a home bias in public procurement can potentially be explained as an effort to increase the capital intensity of...