This dissertation covers different aspects of political institutions and fiscal policy in local governments. The first essay examines the political consequences of an increase in the district magnitude (the number of open seats) for legislatures. The second essay studies how the size of a local legislature affects the size and composition of public spending. The third essay develops and tests a theory of how transaction costs might affect the use of earmarked revenues by local budgeting authorities. The last essay compares the relative impacts of factors that might make a local government more likely to adopt own-source revenues. These questions are examined in the context of Brazilian and US local governments. Individual chapter abst...