Heckman, J. J., & Walker, J. R. (1989). Forcasting aggregate period specific birth rates: The time series properties of a microdynamic neoclassical model of fertility. National Bureau of Economic Research.
Chicago Style (17th ed.) CitationHeckman, James J., and James Robert Walker. Forcasting Aggregate Period Specific Birth Rates: The Time Series Properties of a Microdynamic Neoclassical Model of Fertility. Cambridge, Mass: National Bureau of Economic Research, 1989.
MLA (9th ed.) CitationHeckman, James J., and James Robert Walker. Forcasting Aggregate Period Specific Birth Rates: The Time Series Properties of a Microdynamic Neoclassical Model of Fertility. National Bureau of Economic Research, 1989.
Warning: These citations may not always be 100% accurate.