Estimation of the effect of tax and transfer policies on economic behavior is a central area of study in the fields of public finance and labor economics. By changing relative prices, policies affect the consumption/saving and labor/leisure choices of individuals and households. The direction and magnitude of such responses are key elements in the effort to measure the overall effect of taxes on economic behavior. The three essays in this dissertation examine two important areas of recent research: the effect of taxes on female labor supply and the effect of subsidies on saving behavior. In the first essay, I estimate female labor supply elasticities in the presence of taxes in a lifecycle-consistent framework, and then calculate the econom...