This paper critically surveys the growing literature on the policy choices of local governments. First, we identify various reasons for local government policy interactions, including fiscal competition, bidding for firms, yardstick competition, expenditure spillovers, and Tiebout sorting. We...

We construct a unifying model of optimal decentralized policymaking that includes multiple tax and spending policies with mobile workers, mobile residents, and mobile capital. Local governments are atomistic with respect to the world capital market, but are linked by commuting patterns, the cost...