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The Incentives Lab
HBT-SOC-0026 · Dimension SOC · Social

Reciprocity Bias

When someone does us a favor, we feel pressure to return it.

Social Bias·Cognitive Bias·Grade B·draft· enriching…

Scientific Definition

When someone does us a favor, we feel pressure to return it.

Plain-English Definition

When someone does us a favor, we feel pressure to return it.

Feynman Explanation

Free coffee at the vendor booth is the cheapest enterprise sales tactic ever invented.

Core Principle

When someone does us a favor, we feel pressure to return it.

Mechanisms

Psychological

When someone does us a favor, we feel pressure to return it.

Behavioral Economic

Pending editorial review.

Neurological

Pending editorial review.

Evolutionary

Pending editorial review.

Sociological

Pending editorial review.

Computational

Pending editorial review.

Systems

Pending editorial review.

Inputs (Triggers)

Pending editorial review.

Outputs (Behaviors)

Pending editorial review.

Behavioral Signature

Free coffee at the vendor booth is the cheapest enterprise sales tactic ever invented.

Examples

Everyday
  • A free analysis from a consultancy produces a six-figure contract.
Modern (Organizational)
  • Procurement decisions quietly tilted by favors no one logged.
Historical

Pending editorial review.

Famous Experiments

Pending editorial review.

Design Principles

  • Audit gifts and favors. Make them irrelevant to the decision criteria.

Measurement Approaches

Pending editorial review.

Evidence

Evidence Grade
B (A strongest → E speculative)
Replication
★★★☆☆
Intervention Confidence
3 / 5
Consensus
Pending editorial review (HBT v1.0 auto-seed).
Limitations
Pending editorial review (HBT v1.0 auto-seed).
Open Research Questions

Pending editorial review.

Primary References

Pending editorial review.

Signature Section

The Perverse Incentive Lens™

How this behavior is exploited — and how to redesign around it.

Exploitation
Free AI pilots create implicit obligation toward the next paid contract.
Amplifying Incentives
Procurement decisions quietly tilted by favors no one logged.
Org Failure Modes
Procurement decisions quietly tilted by favors no one logged.
Societal Failure Modes
Pending editorial review (HBT v1.0 auto-seed).
Ethical Considerations
Pending editorial review (HBT v1.0 auto-seed).
Redesign Strategies
Audit gifts and favors. Make them irrelevant to the decision criteria.
Diagnostic Questions
  • Audit gifts and favors. Make them irrelevant to the decision criteria.
Warning Signs

Pending editorial review.

Red Flags

Pending editorial review.

Intervention Playbook
Individual
Audit gifts and favors. Make them irrelevant to the decision criteria.
Team
Pending editorial review (HBT v1.0 auto-seed).
Organization
Pending editorial review (HBT v1.0 auto-seed).
Policy
Pending editorial review (HBT v1.0 auto-seed).
AI Implications
Detection
Free AI pilots create implicit obligation toward the next paid contract.
Measurement
Pending editorial review (HBT v1.0 auto-seed).
Mitigation
Pending editorial review (HBT v1.0 auto-seed).
Responsible Use
Pending editorial review (HBT v1.0 auto-seed).

Interactive Mini Network

Click any neighbor to re-center the graph and follow the threads of connection.

HBT-SOC-0026 · SOC
Reciprocity Bias
RBABAuthority BiasBEBandwagon EffectBPBikeshedding (Parkin…BEBystander EffectCCCommitment & Consist…COCurse of KnowledgeFCFalse Consensus EffectFAFundamental Attribut…GEGolem EffectHEHalo Effect

Knowledge Graph Neighbors

Version History

v1.1.0 · 2026-06-28Initial auto-seed from corpus.