This book studies optimal economic growth in a closed economy which experiences non-stable population growth. The economy is described by means of a neoclassical growth model which distinguishes overlapping generations within the population. The basic neoclassical growth model is extended to include various types of technical change, as well as investment in human capital or education. The research described in this book connects the analytical tools of traditional growth theory with the actual demographic experience of most industrialized countries. The role of demographic processes in the...