Bibliography
1. Congressional Budget Office. The Effects of Employer-Sponsored Health Insurance on Wages. Analysis explaining how employer health insurance costs influence wage growth.
2. National Bureau of Economic Research. The Origins of Employer-Based Health Insurance in the United States. Historical study of wartime wage controls and the rise of employer health benefits.
3. Kaiser Family Foundation. Health Insurance Coverage of the Total Population. National data on sources of health insurance coverage in the United States.
4. Centers for Medicare & Medicaid Services. Health Insurance Marketplace Enrollment Data. Federal statistics on ACA marketplace participation.
5. U.S. Department of the Treasury. Tax Expenditures for Health Insurance. Estimates of federal revenue loss from the employer-sponsored insurance tax exclusion.
6. Internal Revenue Service Statistics of Income Division. Individual Income Tax Returns Complete Report. Data on income distribution among top U.S. taxpayers.