Rim Lahmandi-Ayed

Rim Lahmandi-Ayed (born 1969) is a Tunisian economist, and a professor of economics at Carthage University in Tunisia, where she heads the research group on economic and statistic modeling and analysis. Topics in her research have included product differentiation and targeted advertising.

Quotes

• 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
  • [1]
• 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:
  • [2]
• 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.
  • [3]