Technological Change and Population Growth

摘要: What is the relationship between rate of population growth and technological change? To answer this question, I discuss a model where increasing returns generate long-run but scale effect absent. More precisely, predicts that steady-state productivity does not depend on size because an increase in leads to entry. The resulting crowding-in generates dispersion R&D resources across firms offsets positive economy R&D. Changes have only transitory effects growth. This desirable property allows me introduce study demographic shocks. predicted patterns growth, entry, change industrial structure match experience several industrialized countries. In addition, they empirical observations cited as evidence against standard models endogenous change.