This paper argues that accounting for the dynamic interactions between endogenous changes in longevity, the education composition of the population, and the associated fertility differential is crucial for understanding the economic and the demographic transition. In the model, heterogeneous...

High-income countries have generally experienced falling fertility in recent decades. In most of these countries, the total fertility rate is now below the level that implies a stable population in the long run. This has led to concerns among economists, policymakers, and the wider public about...