TY - CHAP A1 - Easterlin, R.A. A1 - Pollak, R. A1 - Wachter, M.L. T1 - Toward a More General Economic Model of Fertility Determination: Endogenous Preferences and Natural Fertility Y1 - 1980 A3 - Easterlin, R.A T2 - Population Change in Developing Countries CY - Chicago, London PB - University of Chicago Press SP - 81 EP - -150 ER -