Key findings: - Product companies median: $150k - Staffing companies median: $99k - Annual gap: $50,950 (compounds to $305,700 over 6 years)
The mechanism appears to be mobility restriction creating monopsony conditions. When workers can't easily change jobs (employer-specific visa, 60-day rule), employers can offer below-market wages.
Used OFLC disclosure data, filtered to computer occupations (SOC 15-xxxx).
Happy to discuss methodology. Built an interactive calculator for people to check their specific situation.