Wages, Taxes, and Labor Supply Elasticities: The Role of Social Preferences

Janjala Chirakijja and Pinchuan Ong

No 259, PIER Discussion Papers from Puey Ungphakorn Institute for Economic Research

Abstract: Economists typically treat labor supply responses to wages and taxes as equivalent. We show that social preferences towards tax-funded government expenditures induce differences between the wage and net-of-tax rate elasticities of labor supply in canonical models. We use a large-scale vignette experiment to show that wage elasticities of labor supply are meaningfully larger than their net-of-tax rate counterparts, consistent with social preferences affecting labor supply. We show relevance for real labor market decisions by leveraging an existing elasticity of taxable income meta-analysis. Hence, models calibrated using net-of-tax rate elasticities when wage elasticities are more suitable understate individuals’ labor supply responses.

Keywords: Labor Supply Elasticity; Taxation; Social Preferences (search for similar items in EconPapers)
JEL-codes: H24 H41 J22 (search for similar items in EconPapers)
Pages: 82 pages
Date: 2026-06
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