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  3. David Berger, Duke

David Berger, Duke

Paper: “Minimum Wages, Efficiency and Welfares”

Abstract: It has long been argued that a minimum wage could alleviate efficiency losses from monopsony power. In a general equilibrium framework that quantitatively replicates results from recent empirical studies, we find higher minimum wages can improve welfare, but most welfare gains stem from redistribution rather than efficiency. Our model features oligopsonistic labor markets with heterogeneous workers and firms and yields analytical expressions that characterize the mechanisms by which minimum wages can improve efficiency, and how these deteriorate at higher minimum wages. We provide a method to separate welfare gains into efficiency and redistribution. Under only the efficiency channel, the optimal minimum wage is narrowly around $8, robust to social welfare weights, and generates welfare gains that recover only 3 percent of the efficiency losses from monopsony power. Under both channels and Utilitarian social welfare weights the optimal minimum wage is $15, with 95 percent of the welfare gains from redistribution.

26 de Mayo de 2023


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