Federal fiscal arrangements are argued to give rise to tacit collusion among competing Leviathans (Brennan and Buchanan, The Power to Tax, CUP, 1980). Though frequently encountered in academic and policy discussions, the cartelization hypothesis has rarely been scrutinized formally. This paper...

The transfer elasticity of income tax rates is an important parameter in public finance. Given the significant fiscal autonomy of Swiss municipalities, Switzerland is an ideal setting for examining behavioral responses to tax policy. Using a regression kink design, we find robust causal evidence...