id author title date pages extension mime words sentences flesch summary cache txt work_gmduwt6l2fcb5oncihlxojrtpi Jeremy Greenwood Measurement Without Theory: A Response to Bailey and Collins 2011.0 11 .pdf application/pdf 3207 378 76 (2005)�s hypothesis that the baby boom was partly due to a burst of productivity in the household sector is not supported by evidence. Keywords: Amish, appliances, baby boom, Bailey and Collins, fertility, model First, they report results of regressions showing that appliance ownership is negatively correlated with measures of fertility. argue that the Amish, who limit the use of modern technology, had a baby BC�s strategy is to regress fertility on adoption rates, controlling for income the GSV theory of the baby boom implies a positive coe¢ cient of adoption on the GSV model implies a positive relationship between fertility and adoption in time of adoption there is a jump in fertility because the new technology reduces For each individual generate the following data points for fertility, adoption Note that adoption, aij, fertility, nij, and income, yij, are all simultaneously that individuals who adopted the time-saving technology have higher fertility ./cache/work_gmduwt6l2fcb5oncihlxojrtpi.pdf ./txt/work_gmduwt6l2fcb5oncihlxojrtpi.txt