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α: calibrated so average coauthorship-adjusted count equals average raw count
This paper presents evidence from empirical studies that test hypotheses derived from models of household behavior pertaining to the interrelationships among population growth, human capital, and economic development. These studies have exploited quasi-natural experiments embodied in the cross-area variability in the wage rates of children in a number of low-income countries, the intercouple variation in the biological propensity to conceive, and the geographically selective introduction of new high-yielding seed varieties in India in 1961-71. The evidence supports the hypothesis that alterations in the returns to human capital associated with exogenous technical change lead to increases in human capital investments and to reductions in fertility. Copyright 1990 by University of Chicago Press.