Monopsony: Single-Employer Dominance Suppresses Wages

The Problem

Workers in concentrated labor markets lack bargaining power, alternative employers, and escape routes. This allows dominant employers to set wages below what workers' productivity would command in competitive markets, reducing worker income and incentivizing poor workplace conditions.

The Claim

Key Evidence

• •Arin Dube's research on wage suppression in concentrated labor markets
• •Historical examples: meatpacking, nursing, agricultural labor dominated by few employers
• •Geographically isolated labor markets (company towns, remote worksites) show strongest monopsony effects
• •Tech sector increasingly shows monopsony characteristics as a few firms dominate hiring in STEM fields

Practical Implication

If monopsony is a primary driver of wage suppression, then addressing inequality requires structural labor market interventions, not just individual negotiation or education. This reframes wage policy as an antitrust issue.

Nuance & Limits

Monopsony exists on a spectrum. Not every concentrated labor market is a pure monopsony, and not all wage suppression stems from monopsony. Geographic mobility, skill portability, and alternate industries provide partial worker escape routes even in concentrated markets. However, the presence of any monopsony power—even partial—measurably suppresses wages.