G²LM|LIC - Labor Supply Complementarities in Urban Côte d‘Ivoire

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Donald, Aletheia; Grosset, Florian, 2024, "G²LM|LIC - Labor Supply Complementarities in Urban Côte d‘Ivoire", https://doi.org/10.15185/glmlic.677.1, Research Data Center of IZA (IDSC), V2

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Description	This data examines complementarities in labor supply: to what extent does a person’s desire to work at a firm depend on whether others in her social network also work at the firm? The researchers conducted two field experiments in urban Côte d’Ivoire. In the first experiment, job seekers are 16pp more likely to accept a formal full-time factory job if their network members also receive a job offer, and 15pp more likely to stay in that job four months later—but only if they will be employed in the same shift (rather than different shifts). These effects are driven by workers with long commute times, who can commute to work together. Consistent with this channel, in the firm’s administrative data, workers’ own attendance and turnover are predicted by the attendance and quits of co-commuting peers. In a second field experiment with a different firm, the researchers again randomize whether a worker’s network members are offered a job, whether they would be co-located with the worker, and job location—inducing exogenous variation in commute time. The researchers replicate the finding of complementarities in labor supply, but only in the case of long assigned commute times. These findings indicate that the social composition of one’s peers can have large impacts on labor supply, and suggest that one important mechanism is commuting costs—which are especially high in developing country cities. The results provide a novel explanation for key features of urban labor markets, including firms’ widespread use of referrals for hiring and persistent gaps in employment across social groups.
Subject	Social Sciences
Keyword	Commute Together, Formal Wage Employment, Gender Differences, Informal Jobs, Labor Supply, Redistributive Networks, Social Networks, Women
Related Publication	Donald, A. & Grosset, F. (2024). Labor Supply Complementarities in Urban Côte d‘Ivoire. G²LM\|LIC Policy Brief No. 66.
Notes	Some variables were only asked to a random subset of the surveyed individuals. They are indicated by "(subsampleX only)". The survey of factory workers has been conducted in two waves. A first wave has been conducted between March 03, 2022 and April 25, 2022. A second wave has been conducted between August 26, 2022 and September 13, 2022. When a survey question contains a timeframe, it is reported as timeframe related to each survey wave.
License/Data Use Agreement	IIL-1.0

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Citation Metadata

Persistent Identifier	doi:10.15185/glmlic.677.1
Publication Date	2024-02-28
Title	G²LM\|LIC - Labor Supply Complementarities in Urban Côte d‘Ivoire
Author	Donald, Aletheia (Wolrdbank) Grosset, Florian (Columbia University)
Point of Contact	Use email button above to contact. Research Data Center of IZA (IDSC)
Description	This data examines complementarities in labor supply: to what extent does a person’s desire to work at a firm depend on whether others in her social network also work at the firm? The researchers conducted two field experiments in urban Côte d’Ivoire. In the first experiment, job seekers are 16pp more likely to accept a formal full-time factory job if their network members also receive a job offer, and 15pp more likely to stay in that job four months later—but only if they will be employed in the same shift (rather than different shifts). These effects are driven by workers with long commute times, who can commute to work together. Consistent with this channel, in the firm’s administrative data, workers’ own attendance and turnover are predicted by the attendance and quits of co-commuting peers. In a second field experiment with a different firm, the researchers again randomize whether a worker’s network members are offered a job, whether they would be co-located with the worker, and job location—inducing exogenous variation in commute time. The researchers replicate the finding of complementarities in labor supply, but only in the case of long assigned commute times. These findings indicate that the social composition of one’s peers can have large impacts on labor supply, and suggest that one important mechanism is commuting costs—which are especially high in developing country cities. The results provide a novel explanation for key features of urban labor markets, including firms’ widespread use of referrals for hiring and persistent gaps in employment across social groups.
Subject	Social Sciences
Keyword	Commute Together Formal Wage Employment Gender Differences Informal Jobs Labor Supply Redistributive Networks Social Networks Women
Related Publication	Donald, A. & Grosset, F. (2024). Labor Supply Complementarities in Urban Côte d‘Ivoire. G²LM\|LIC Policy Brief No. 66. url: https://g2lm-lic.iza.org/wp-content/uploads/2024/02/GLMLIC-Policy-Brief_066.pdf
Notes	Some variables were only asked to a random subset of the surveyed individuals. They are indicated by "(subsampleX only)". The survey of factory workers has been conducted in two waves. A first wave has been conducted between March 03, 2022 and April 25, 2022. A second wave has been conducted between August 26, 2022 and September 13, 2022. When a survey question contains a timeframe, it is reported as timeframe related to each survey wave.
Language	English
Depositor	Research Data Center of IZA (IDSC)
Deposit Date	2024-02-28
Time Period	Start Date: 2022-03 ; End Date: 2022-11
Data Type	Survey Data; Field Experiment

Geospatial Metadata

Geographic Coverage	Côte d'Ivoire

Social Science and Humanities Metadata

Unit of Analysis	Individuals; Firms
Collection Mode	Face-to-face Interview

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