We study budget formation in a model featuring separation of powers. In our model, the legislature designs a budget bill that can include a cap on total spending and earmarked allocations to designated public projects. Each project provides random benefits to one of many interest groups. The...

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...

Much attention has been given to the recent growth of the U.S. federal debt. This paper examines the growth of federal liabilities that are not included in the officially reported numbers. These take the form of implicit or explicit government guarantees and commitments. The five major...

In recent years, cases in which state governments chose to override federal environmental regulation with tighter regulations of their own have become increasingly common, even for pollutants that have substantial spillovers across states. This paper argues that this change arose at least in...

This paper studies how to design a fiscal constitution that, by capitalizing intergenerational spillovers into land values, is able to protect future generations from expropriation and to generate optimal investment in intergenerational public goods. In particular, we study how to accomplish...

The provision of public services through national legislatures gives legislators the chance to fund locally-beneficial public projects using a shared national tax base. Nationally-financed, local public goods will be purchased at a subsidized price below marginal cost and may be inefficiently...

This paper examines the extent to which state taxes have inhibited interstate transport of" hazardous waste for disposal in the United States. It uses panel data from the Toxics Release" Inventory (TRI) and the Resource Conservation and Recovery Act (RCRA) on interstate" shipments of waste, and...