Does the Minimum Wage Have a Higher Impact on the Informal than on the Formal Labor Market? Evidence from Quasi-Experiments

38 Pages Posted: 19 Jan 2009

See all articles by Melanie Khamis

Melanie Khamis

IZA Institute of Labor Economics

Abstract

This paper investigates a puzzle in the literature on labor markets in developing countries: labor legislations not only have an impact on the formal labor market but also an impact on the informal sector. It has even been argued that the impact on the informal sector in the case of the minimum wage is stronger than on the formal sector. Using quasi-experiments of minimum wage changes and thereby exploiting geographical variation of the minimum wage bite, I find evidence for this hypothesis. Informal workers, workers without social security contribution, experienced significant wage increases when the minimum wage was raised while formal workers did not. This result highlights that non-compliance with one labor legislation, the social security contribution, does not necessarily imply non-compliance to other labor laws such as the minimum wage.

Keywords: minimum wages, informal economy, quasi-experiments

JEL Classification: J31, J42

Suggested Citation

Khamis, Melanie, Does the Minimum Wage Have a Higher Impact on the Informal than on the Formal Labor Market? Evidence from Quasi-Experiments. IZA Discussion Paper No. 3911, Available at SSRN: https://ssrn.com/abstract=1329549

Melanie Khamis (Contact Author)

IZA Institute of Labor Economics ( email )

P.O. Box 7240
Bonn, D-53072
Germany

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