Alfredo Pereira College of William and Mary   Department of Economics College of William and Mary 5799 SCRIPPS ST Williamsburg, VA 23187 United States   ampere@wm.edu   http://ampere.people.wm.edu/           JEL Areas: E2 : Macroeconomics: Consumption, Saving, Production, Employment, and Investment: General (includes Measurement and Data) J1 : Demographic Economics: General