Title
New Market Power Models and Sex Differences in Pay
Author(s)
Michael R. Ransom Michael Ransom (Brigham Young University and IZA)
Ronald L. Oaxaca Ronald Oaxaca (University of Arizona and IZA)
Abstract
In the context of certain general equilibrium search models, it is possible to infer the elasticity of labor supply to the firm from the elasticity of the quit rate with respect to the wage. We use this framework to estimate the elasticity of labor supply for men and women workers at a chain of grocery stores operating in the southwestern United States, identifying separation elasticities from differences in wages and separation rates across different job titles within the firm. We estimate elasticities of labor supply to the firm of about 2.7 for men and about 1.5 for women, suggesting significant wage-setting power for the firm. Since women have lower elasticities of labor supply to the firm, a Robinson-style monopsony model might explain lower relative pay of women in the grocery industry. The wage gaps we observe among workers in US retail grocery stores are close to what the monopsony model predicts for the elasticities we have estimated.
Creation Date
2008-12
Section URL ID
IRS
Paper Number
540
URL
https://dataspace.princeton.edu/bitstream/88435/dsp01nk322d34x/1/540.pdf
File Function
Jel
J42, I11, L13
Keyword(s)
monopsony papers, labor supply, grocery stores, elasticity
Suppress
false
Series
1