The U.S. Constitution removed real and monetary trade barriers between the states. By contrast, these states when they were British colonies exercised considerable real and monetary autonomy over their borders. Purchasing power parity is used to measure how much economic integration between the...

This paper evaluates the effect of U.S. state corporate income taxes on union wages. American workers who belong to unions are paid more than their non-union counterparts, and this difference is greater in low-tax locations, reflecting that unions and employers share tax savings associated with...

How effective are restrictions on mobility in limiting COVID-19 spread? Using zip code data across five U.S. cities, we estimate that total cases per capita decrease by 20% for every ten percentage point fall in mobility. Addressing endogeneity concerns, we instrument for travel by residential...

This paper provides a theoretical and empirical analysis of cross-state externalities associated with gun regulations in the context of the gun trafficking market. Using gun tracing data, which identify the source state for crime guns recovered in destination states, we find that firearms in...

We present a model where heterogeneous districts choose both whether to experiment and the policies to experiment with. Since districts learn from each other, the first-best requires that policy experiments converge so that innovations are useful also for neighbors. However, the equilibrium...

US state chartered commercial banks are supervised alternately by state and federal regulators. Each regulator supervises a given bank for a fixed time period according to a predetermined rotation schedule. We use unique data to examine differences between federal and state regulators for these...

Fourteen U.S. states recently pledged to adopt limits on greenhouse gases (GHGs) per mile of light-duty automobiles. Previous analyses predicted this action would significantly reduce emissions from new cars in these states, but ignored possible offsetting emissions increases from policy-induced...

Early American firms were shaped by contemporary social conceptions of appropriate horizontal power relations inside the firm and the Federalist era bank was shaped by these conceptions. The Federalist era debate on the corporation was much broader than how shareholders would treat with one...

We provide a model with a federal government and multiple local governments, the former with power to levy an income tax for redistribution, and the latter choosing a local income tax, property tax, lump-sum tax or subsidy, and a local public good. Policy is set by majority choice at each tier...

Improving the efficiency of tax collection is important for development and fairness purposes. I study the Audit Exchange Information Agreements, which are agreements between the states and the U.S. federal government to exchange information about income tax audit plans and techniques, signed...