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Birds of a Feather Earn Together

Julián Messina et al.

Journal of Human Resources2026https://doi.org/10.3368/jhr.0824-13740r1article
AJG 3ABDC A*
Weight
0.50

Abstract

Utilizing comprehensive administrative data from Brazil, we investigate the impact of peer effects on wages, considering both within-gender and cross-gender dynamics. Since the average productivity of both individuals and their peers is unobservable, we estimate these values using worker fixed effects while accounting for occupational and firm sorting. Our findings reveal that within-gender peer effects have approximately twice the influence of cross-gender peer effects on wages for both men and women. Furthermore, we observe a reduction in the disparity between these two types of peer effects in settings characterized by greater gender equality.

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https://doi.org/https://doi.org/10.3368/jhr.0824-13740r1

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@article{julián2026,
  title        = {{Birds of a Feather Earn Together}},
  author       = {Julián Messina et al.},
  journal      = {Journal of Human Resources},
  year         = {2026},
  doi          = {https://doi.org/https://doi.org/10.3368/jhr.0824-13740r1},
}

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Birds of a Feather Earn Together

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Evidence weight

0.50

Balanced mode · F 0.40 / M 0.15 / V 0.05 / R 0.40

F · citation impact0.50 × 0.4 = 0.20
M · momentum0.50 × 0.15 = 0.07
V · venue signal0.50 × 0.05 = 0.03
R · text relevance †0.50 × 0.4 = 0.20

† Text relevance is estimated at 0.50 on the detail page — for your query’s actual relevance score, open this paper from a search result.