ECO 2143 Lecture Notes - Lecture 3: Public Health, Walt Whitman Rostow, Arbitrage
5 Feb 2016
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There seems to be a negative relationship between population growth and gdp per capita. (capital dilution e ect). Malthusian model: people who live in good economic conditions have more children. But, with a higher population, ressources per capita diminish. Therefore, population growth trends to be constant and not have spikes, which gives a constant production of yss. The only thing that improves productivity is moral restraint (not having kids). After 1850, malthus" model doesn"t work as he didn"t consider technological progress. In the solow model, if we assume capital is constant, a higher population diminishes capital per capital and gdp per capita. If n is population growth, then our previous equations are a ected: Mortality rate is going down for three reasons: improved standard of living (better nutrition, better housing, etc. , public health, medicine. The survivorship function (i) gives the probability of being alive at a certain age. Life expectancy is the sum of the probabilities at every age.
