Side-Payment Neutralization Protocol

In Simple Words

Imagine an employer offering a bonus to an employee if a friend passes a test. If the employee tells the friend "I will give you half the money if you try hard," the friend's extra effort contaminates the evaluation. By paying the employee the maximum bonus before the friend takes the test, the friend no longer receives any financial incentive to exert extra effort.

Research question

Evaluating peer referral incentives is confounded if referrers pass financial bonuses to referred candidates, creating direct candidate performance motivation rather than purely testing referrer screening capability.

Participants

N = 407 returning referrals completing cognitive tasks in Kolkata, India.

Study Design

Experimental intervention where referrers and referrals were informed prior to task execution that the referrer would receive the maximum performance bonus regardless of actual referral performance.

Results

Guaranteed pre-task bonus disbursement successfully decoupled referral task motivation from referrer incentives, isolating pure peer screening from candidate effort responses.

Takeaway

Guarantee pre-execution bonus payouts to referrers when testing screening mechanisms to prevent candidates from being privately incentivized through side payments.

Related findings

• Cross-Community Audit Methodology for Bias Detection →Economics (general)

  To test if store owners treat people differently based on heritage, researchers send out actor buyers from different ethnic backgrounds who follow the exact same script and purchase the exact same items. By comparing what happens to each buyer at the exact same stores, researchers can catch discrimination red-handed.

• Hawthorne Effect Control via Diagnostic-Only Counterfactual Design →Economics (general)

  Imagine a study testing whether a new study strategy helps students pass exams. If researchers stand inside the classroom watching the students every day, students might work harder simply because someone is watching them, not because the strategy works.

• Community Incentive and Distance Instrumental Variable Method →Economics (general)

  Imagine trying to determine if eating at a local diner makes people happy, but happier people naturally choose to eat out more often. To isolate the real effect, a researcher gives randomly assigned discount coupons to various neighborhoods; comparing neighborhood happiness based solely on coupon density reveals the pure effect of diner visits.

• Non-Reallocation Resource Isolation →Economics (general)

  Institutional rigidity that prevents principals from moving teachers or rooms between grades works like fixed structural bulkheads on a ship, keeping resources locked strictly within designated compartments so that experimental changes in one room cannot spill over into another.