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An Anatomy of Monopsony: Search Frictions, Amenities and Bargaining in Concentrated Markets / David W. Berger, Kyle F. Herkenhoff, Andreas R. Kostøl, Simon Mongey.
- Format:
- Book
- Author/Creator:
- Berger, David W.
- Series:
- Working Paper Series (National Bureau of Economic Research) no. w31149.
- NBER working paper series no. w31149
- Language:
- English
- Physical Description:
- 1 online resource: illustrations (black and white);
- Place of Publication:
- Cambridge, Mass. National Bureau of Economic Research 2023.
- Summary:
- We contribute a theory in which three channels interact to determine the degree of monopsony power and therefore the wedge between a worker's spot wage and her marginal product (henceforth, the wage markdown): (1) heterogeneity in worker-firm-specific preferences (nonwage amenities), (2) firm granularity, and (3) off- and on-the-job search frictions. We use Norwegian data to discipline each channel and then reproduce novel reduced-form empirical relationships between market concentration, job flows, wages and wage inequality. Our main exercise quantifies the contribution of each channel to income inequality and wage markdowns. The markdowns are 21 percent in our baseline estimation. Removing nonwage amenity dispersion narrows them by a third. Giving the next-lowest-ranked competitor a seat at the bargaining table narrows them by half. Removing search frictions narrows them by two-thirds. Each counterfactual shows decreased wage inequality and increased welfare.
- Notes:
- Print version record
- April 2023.
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