TY - CHAP A1 - Easterlin, R.A. A1 - Pollak, R.A. A1 - Wachter, M.C. T1 - Toward a more general economic model of fertility determination: Endogenous preferences and natural fertility Y1 - 1980 A3 - Easterlin, R.A. T2 - Population and Economic Change in Developing Countries CY - Chicago, IL PB - University of Chicago Press SP - 81 EP - -150 ER -