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More competition to alleviate poverty? A general equilibrium model and an empirical study

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  • Hend Ghazzai
  • Wided Hemissi
  • Rim Lahmandi‐Ayed
  • Sana Mami Kefi

Abstract

In this paper, we theoretically and empirically analyze the impact of competition on poverty. We consider a general equilibrium framework with vertical preferences and compare poverty in a Monopoly setting versus a Duopoly setting considering explicitly the ownership structure. Poverty is measured by the size of the population living below an absolute poverty line. Theoretical results show that the impact of competition on poverty is contingent to the ownership structure, the poverty line and the relative dispersion of the individuals with respect to their intensity of preference for quality and sensitivity to effort: competition can improve or worsen poverty depending on the model's parameters. Empirical findings for the three existing poverty lines ($1.9, $3.2, and $5.5) are consistent to a large extent with our theoretical results.

Suggested Citation

  • Hend Ghazzai & Wided Hemissi & Rim Lahmandi‐Ayed & Sana Mami Kefi, 2023. "More competition to alleviate poverty? A general equilibrium model and an empirical study," Journal of Public Economic Theory, Association for Public Economic Theory, vol. 25(5), pages 985-1011, October.
    • Handle: RePEc:bla:jpbect:v:25:y:2023:i:5:p:985-1011
    DOI: 10.1111/jpet.12642
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