Heckman, J. J., & Walker, J. R. (1989). Forecasting aggregate period specific birth rates: The time series properties of a microdynamic neoclassical model of fertility. National Bureau of Economic Research.
Chicago-Zitierstil (17. Ausg.)Heckman, James J., und James R. Walker. Forecasting 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-Zitierstil (9. Ausg.)Heckman, James J., und James R. Walker. Forecasting Aggregate Period Specific Birth Rates: The Time Series Properties of a Microdynamic Neoclassical Model of Fertility. National Bureau of Economic Research, 1989.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.