Casual-Labor Field-Laboratory Screening Proxy

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In Simple Words

Instead of trying to monitor hiring inside hundreds of private offices, researchers build a temporary standardized workplace in a local neighborhood and hire active day laborers. By controlling the exact pay rules and tasks in this temporary workspace, researchers can observe how real workers make referral decisions under clean, measurable conditions.

Research question

Testing real-world employer-employee screening dynamics in firm settings is difficult due to unobservable firm-specific incentives, long-term career dynamics, and non-random hiring criteria.

Participants

N = 561 male adult labor market participants recruited door-to-door in Kolkata, India (37 percent household recruitment response rate, 91 percent currently employed).

Study Design

Hybrid lab-in-the-field experimental framework creating temporary supervised day-labor jobs with real-world financial stakes (135 Rupees daily pay versus 110 Rupees median daily income).

Results

Replicated real-world day-labor market conditions where 91 percent of participants were active labor force participants and 45 percent had made real job referrals, achieving a 72 percent return rate (N = 407 referrals) with robust experimental control over financial and screening incentives.

Takeaway

Utilize temporary field-laboratory job environments with market-calibrated wages to isolate employee screening capabilities from confounded organizational dynamics.

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Plain-English glossary

Original explanations, informed by the references below. Examples are illustrations, not data from the studies above. The research text stays unchanged.

Median

The middle number after arranging the values from smallest to largest. If there are two middle numbers, use their average.

ExampleFor the values 2, 4 and 12, the middle value is 4. The median is 4.

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