Do parties matter? Yes, but not in the usual way we tend to think of them: big government Democrats and small government Republicans. Our first regression discontinuity design shows that whether the majority in the House of Representatives is Republican or Democratic does not affect the tax...

We estimate a non-linear and discontinuous relationship between the tax level and the degree of alignment between the legislature and the governor, measured as the number of seats in the legislature that belong to the governor’s party. In the states with the line-item veto, there is a jump in...