Climate policies shape inequalities through their effects on structural change via the source of income channel, and on household expenditures via the use of income channel. We compare the impact of carbon pricing on within-country inequalities when tax revenues are recycled through lump-sum transfers or labor tax cuts. We account for the impact of the labor share on inequalities, and compare results across regions with contrasted levels of development, using four macroeconomic integrated assessment models. We find that accounting for the source of income reduces the performance gap between labor tax cuts and lump-sum transfers. Also, carbon pricing with revenue recycling is compatible with reducing inequality, and can increase the consumption of the poorest quartile. We highlight the central role of labor income in shaping the distributional consequences of climate policy beyond consumption-side price effects. Our results suggest that sustaining the labor share can strengthen the progressivity of climate policies.
MEJEAN Aurelie;
LEBLANC Florian;
LEFEVRE Julian;
FRAGKIADAKIS Dimitrios;
FRAGKOS Panagiotis;
GARAFFA Rafael;
LYNCH Cormac;
VANDYCK Toon;
2026-08-26
WORLD SCIENTIFIC PUBL CO PTE LTD
JRC146256
2010-0086 (online),
https://www.worldscientific.com/doi/10.1142/S2010007826400105,
https://publications.jrc.ec.europa.eu/repository/handle/JRC146256,
10.1142/S2010007826400105 (online),
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