Minimum wage laws destroy jobs

The claim

Raising the minimum wage destroys jobs. When the price of labor is set above the market-clearing rate, employers respond rationally by hiring fewer workers, reducing hours, substituting automation, or going out of business. The workers who lose jobs or hours are precisely the low-wage workers the policy aims to help. This is the standard neoclassical prediction: price floors above equilibrium create surpluses — in labor markets, that surplus is unemployment.

The mechanism

The textbook model works as follows: employers hire up to the point where the marginal revenue product of a worker equals the wage. Raise the wage above that point and some workers are no longer worth employing — they are priced out. The prediction is sharpest for workers with limited productivity: teenagers, workers without formal credentials, workers in low-productivity sectors like food service and retail.

The model breaks down in labor markets characterized by monopsony — where employers have significant market power over workers and wages are already suppressed below the competitive rate. In a monopsonistic labor market, an employer can profit by reducing employment (as a buyer of labor, it faces an upward-sloping supply curve, so hiring fewer workers keeps wages lower). A minimum wage in this setting forces the employer to hire up to the market equilibrium rather than below it — employment rises or is unchanged. Monopsony is not a special case in low-wage labor markets. Geographic concentration (one major employer in a rural county), search frictions (switching jobs has real costs for workers with transportation constraints or family obligations), and occupational licensing all produce employer wage-setting power. A 2022 meta-analysis by Dube found substantial evidence for monopsony power in US low-wage labor markets.

The evidence

Card and Krueger (1994): The natural experiment that changed the debate

In April 1992, New Jersey raised its minimum wage from $4.25 to $5.05/hour. Pennsylvania did not change its minimum wage. David Card and Alan Krueger surveyed fast-food establishments in both states before and after the increase and compared employment trends. Under the textbook model, NJ fast-food employment should have fallen relative to PA. The opposite occurred: NJ employment grew modestly relative to PA. The authors found no evidence that the wage increase reduced employment. Card was awarded the Nobel Prize in Economics in 2021 in part for this work.

Critics challenged the methodology — arguing the telephone survey data were noisy. Neumark and Wascher (2000) using payroll data found a negative employment effect in the same policy change. The subsequent literature largely supports Card and Krueger’s core finding for moderate minimum wage increases, though the debate over large increases remains active.

The Seattle Minimum Wage Studies: Why methodology matters

Seattle raised its minimum wage in phases starting in 2015, eventually reaching $15/hour. Two University of Washington research teams produced conflicting findings from the same policy change:

The Jardim et al. (2017) study, using Washington State unemployment insurance records (which capture actual hours and earnings), found that when the wage floor rose to ~$13/hour, hours worked by low-wage workers fell by roughly 9% — enough to reduce average weekly earnings for those workers despite the higher hourly rate. This was the most alarming finding in the recent literature.

However, a subsequent study by Jardim et al. (2022), examining the full implementation to $15/hour, found no significant adverse employment effects. The authors attributed the divergence to changes in the composition of the low-wage workforce as the policy matured. A separate study by Dube, Lester, and Reich, using a border-discontinuity design, found no significant employment effects in the restaurant sector.

The Seattle studies illustrate that minimum wage effects are highly sensitive to research design, wage level, local labor market conditions, and the phase of implementation. They do not resolve the debate — they clarify that it is a real one.

Congressional Budget Office estimates

The CBO’s 2021 analysis of the Raise the Wage Act (which proposed a federal $15 minimum wage by 2025) projected:

• Central estimate: 1.4 million jobs lost by 2025
• Range: essentially zero to 2.7 million
• 900,000 workers lifted out of poverty
• 17 million workers receiving a pay increase directly; 10 million more indirectly through wage spillover effects

The CBO’s estimate reflects the profession’s genuine uncertainty. The confidence interval spans nearly zero to substantial job loss. The poverty-reduction estimate is robust — raising wages for 17 million workers mechanically reduces poverty among those who keep their jobs.

Cross-national evidence

Australia’s Fair Work Commission sets a national minimum wage currently at A$23.23/hour (2024), the highest nominal minimum wage among OECD nations. Australia’s unemployment rate was 3.9% in June 2024 — a tight labor market by any standard. Germany introduced its first statutory minimum wage in 2015 (€8.50/hour) to considerable warnings of job losses; employment grew in subsequent years. The UK’s National Living Wage has been raised aggressively since 2016 and is now £11.44/hour; UK employment has remained near historical highs.

These comparisons are suggestive but not decisive. Australia, Germany, and the UK have stronger unions, sectoral bargaining, more active labor market policy, and different firm-size distributions than the US. A high national minimum wage embedded in a strong labor relations system may behave differently than a sharp increase imposed on a largely deunionized, fragmented US labor market.

Small vs. large employer effects

The evidence consistently shows larger employment responses for small businesses than for large employers. Large retailers (Walmart, Amazon, Target) have voluntarily moved to $15–$18 base wages and reported no meaningful employment reduction — consistent with their market power and thin-margin optimization of turnover costs. A $15 minimum wage imposes a larger proportional cost increase on a restaurant with 8 employees than on a national chain with pricing power, productivity systems, and capital for automation. This heterogeneity is largely absent from aggregate estimates, making them misleading for policy design.

The tip credit system

The federal tipped minimum wage has been $2.13/hour since 1991. Seven states have eliminated the tip credit (Alaska, California, Minnesota, Montana, Nevada, Oregon, Washington) and pay the full minimum wage to tipped workers; these states have not shown systematically worse restaurant employment outcomes than tip-credit states. This is among the strongest evidence against the simplest version of the jobs-destruction argument in the restaurant sector specifically.

Who benefits

The National Restaurant Association — sometimes called “the other NRA” — is the most prominent institutional force opposing minimum wage increases. It spends $3–5 million annually in federal lobbying and coordinates state-level campaigns through state restaurant associations. The American Hotel and Lodging Association, Retail Industry Leaders Association, and the National Federation of Independent Business run parallel campaigns. These organizations represent industries with large low-wage workforces where labor costs are a primary variable cost. The Heritage Foundation, Employment Policies Institute (a restaurant-industry-funded think tank), and the American Enterprise Institute provide the research infrastructure. The Employment Policies Institute, despite its academic-sounding name, shares offices and staff with a restaurant industry lobbying firm; its research is consistently aligned with industry interests.

The counter

The jobs-destruction argument is not simply an ideological fabrication. The basic supply-and-demand intuition has real application: for very large minimum wage increases, in thin local labor markets, affecting small employers with no pricing power, the employment risk is genuine. The CBO’s central estimate of 1.4 million job losses from a $15 federal minimum wage applied uniformly — from rural Mississippi to San Francisco — is not implausible. A $15 floor is 87% of the median wage in Mississippi; it is 53% in Massachusetts. These are not equivalent policy experiments. Economists including Lawrence Katz and Alan Krueger have argued that a national $15 minimum wage, imposed uniformly on low-wage rural areas, may have larger employment effects than similar increases in high-wage metros.

The Seattle studies also offer a genuine caution: some research does find hours reductions rather than employment reductions — fewer workers lose jobs entirely, but existing workers are scheduled for fewer hours. Workers cannot spend an hourly wage they are not working. The policy may raise hourly rates while leaving weekly earnings roughly flat for the most affected workers.

The strongest version of the individual/market-mechanism argument is not “raising the minimum wage always destroys jobs” — it is “very large increases, applied uniformly across a geographically diverse country, carry real tradeoffs that need to be weighed against the poverty-reduction benefits.” That is a genuinely contested empirical question, and the evidence does not yet resolve it.

References

Card, D., & Krueger, A. B. (1994). Minimum wages and employment: A case study of the fast-food industry in New Jersey and Pennsylvania. American Economic Review, 84(4), 772–793.

Congressional Budget Office. (2021). The budgetary effects of the Raise the Wage Act of 2021. https://www.cbo.gov/publication/56975

Dube, A. (2019). Impacts of minimum wages: Review of the international evidence. UK Low Pay Commission Independent Report. https://www.gov.uk/government/publications/impacts-of-minimum-wages-review-of-the-international-evidence

Dube, A., Lester, T. W., & Reich, M. (2010). Minimum wage effects across state borders: Estimates using contiguous counties. Review of Economics and Statistics, 92(4), 945–964. https://doi.org/10.1162/REST_a_00039

Fair Work Commission. (2024). Annual wage review 2023–24: Decision. Australian Government. https://www.fwc.gov.au/documents/wage-reviews/2023-24/AR2024/decision/ar2024-decision.pdf

Jardim, E., Long, M. C., Plotnick, R., van Inwegen, E., Vigdor, J., & Wething, H. (2017). Minimum wage increases, wages, and low-wage employment: Evidence from Seattle (NBER Working Paper 23532). National Bureau of Economic Research. https://doi.org/10.3386/w23532

Jardim, E., Long, M. C., Plotnick, R., van Inwegen, E., Vigdor, J., & Wething, H. (2022). Minimum wage increases and individual employment trajectories. Journal of Political Economy, 11(1), 45–86. https://doi.org/10.1086/720530

Manning, A. (2021). Monopsony in labor markets: A review. ILR Review, 74(1), 3–26. https://doi.org/10.1177/0019793920922499

Neumark, D., & Wascher, W. (2000). Minimum wages and employment: A case study of the fast-food industry in New Jersey and Pennsylvania: Comment. American Economic Review, 90(5), 1362–1396. https://doi.org/10.1257/aer.90.5.1362

UK Low Pay Commission. (2024). National living wage and national minimum wage: The government’s response to the Low Pay Commission’s 2023 report. https://www.gov.uk/government/publications/government-response-to-the-lpc-2023-report