We propose a difference-in-differences strategy to identify the existence of interjurisdictional tax competition, and to estimate its spatial reach. Our strategy rests on differences between desired tax levels, determined by culture-specific preferences, and equilibrium tax levels, determined by...

Interjurisdictional competition over mobile tax bases is an easily understood mechanism, but actual tax-base elasticities are difficult to estimate. Political pressure for reducing tax rates could therefore be based on erroneous estimates of the mobility of tax bases. We show that tax...

Switzerland could be considered as a test case for international corporate-tax policy coordination. It is a federation of 26 fiscally autonomous cantons that have been taxing corporate profits more or less independently for over a century. We document and discuss corporate taxation in...