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Aggregate Effects of AIDS on Development

  • 2008
  • Dissertation
Santaeulalia-Llopis, Raul

City: Philadelphia, PA

Publisher/Institution: University of Pennsylvania

Abstract: In this paper I study the consequences of the AIDS epidemic for economic development. To this purpose I build a population model that keeps track of the demographic transition by age-specific population groups relating the age distribution of the population of each period to the preceding one via a fertility process, a mortality process and an aging process. I integrate this population model into a standard theory of economic development that determines the income per capita path along the process of industrialization – a transition that structurally shifts capital and labor from a Malthusian-agricultural sector to a neoclassical-industrial sector. Then, I use this population model to consistently identify the main channels through which AIDS, raising mortality rates of young adults and lowering fertility rates, affects populations over time: (i) reshapes the age distribution of the population, thinning the ranks of working-age groups, (ii) reduces population growth, and (iii) reduces life expectancy (by as much as 15-20 years). In addition, AIDS also (iv) reduces the individual labor efficiency of the sick with an aggregate loss of 0.3% per percentage point of HIV prevalence. When I incorporate the AIDS epidemic as in (i)-(iv) into a model economy calibrated to an African country unaffected by AIDS, I find that the AIDS epidemic reduces per capita income by as much as 12% at the peak of the epidemic. I find also that the AIDS epidemic slows down the transition from agriculture to industry by about one century for the most highly infected countries.

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