An Integrated Assessment Model of Economy, Climate-Change and Endogenous Population

This paper studies the effects of including endogenous population in a global integrated assessment model of climate-economy. The difference between fertility and mortality determines population growth. Higher population leads to larger production levels. However, population itself infuences the level of CO2 emissions produced by the economy. Emissions cumulate in the atmosphere during time, increasing average temperature and inducing climate-change. Fertility is a control variable while mortality is linked with temperature dynamics. In this new setting we explore whether the implementation of a demographic policy may help in mitigating climate change by the end of this century.