Firms' labor demand responses to wage changes are of key interest in empirical
research and policy analysis. However, despite extensive research, estimates of
labor demand elasticities remain subject to considerable heterogeneity. In this
paper, we conduct a comprehensive meta-regression analysis to re-assess the
empirical literature on labor demand elasticities. Building on 942 elasticity
estimates from 105 different studies, we identify sources of variation in the
absolute value of this elasticity. Heterogeneity due to the theoretical and
empirical specification of the labor demand model, different datasets used
or sectors and countries considered explains more than 80% of the variation
in the estimates. We further find substantial evidence for the presence of
publication selection bias, as estimates of the own-wage elasticity of labor
demand are upwardly inflated.
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