Guzmán, Ricardo AndrésLouis Weisdorf, Jacob2021-10-252021-10-252010Economics Letters 107 (2010) 74–76http://hdl.handle.net/11447/4893Why does the rate of population growth decline in the face of economic growth? We show that growing product variety may induce a permanent reduction in the demand for children and a continuous rise in income and consumption.en-USDemographic transitionDemand for childrenProduct varietyMalthusArticle