In Consumption Behavior and the Effects of Government Fiscal Policies, Randall Mariger explores how people make decisions about how much to consume and save over their lifetimes. An understanding of these issues illuminates not only individual behavior but important properties of the macro economy as well. The most popular framework for analyzing consumption has been the life-cycle theory. Mariger tests two fundamental, and controversial, assumptions underlying the theory--that there are no planned bequests and that human capital is marketable. To do this, he fits a structural...