What the policy is
A non-compete clause is a contractual provision in which an employee agrees not to work for a competitor — or start a competing business — for a specified period and within a specified geography after leaving a job. They are distinct from non-disclosure agreements (which restrict sharing of specific confidential information) and non-solicitation agreements (which restrict poaching clients or colleagues).
Non-competes are historically associated with protecting legitimate business interests: trade secrets, client relationships, and proprietary processes that require significant investment to develop. The classic case is a senior software engineer who has access to unreleased products and customer data.
But research over the past decade has found non-competes far more widespread than this rationale would justify. Approximately one in five American workers is currently bound by a non-compete — including workers in low-wage industries like food service and retail, where trade secrets are not a plausible concern. California, North Dakota, and Oklahoma ban non-competes almost entirely, and comparison with other states offers a natural experiment into their effects.
How it works
Non-competes affect labor markets through three channels. First, they reduce worker outside options: if a worker cannot join competitors, their employer faces less wage competition and can pay less. This monopsony effect is the primary wage channel.
Second, non-competes reduce labor market mobility. Workers who want to advance their careers or escape bad employers are constrained by geography and industry scope. Research shows regions with enforced non-competes have lower rates of job-to-job transitions and less wage growth from mobility.
Third, non-competes slow knowledge diffusion. When skilled workers cannot move between firms, the spillover effects of their expertise — which generate broad economic gains — are suppressed. Silicon Valley's early advantage over Route 128 in Massachusetts has been partly attributed to California's ban on non-competes, which allowed engineers to move freely and spread knowledge across firms.
Who wins and who loses
| Group | Effect | Detail |
|---|---|---|
| Workers bound by non-competes | Cost | Direct wage suppression (estimated 4–8% for covered workers); reduced ability to change employers, negotiate raises, or relocate for opportunities. |
| Employers using non-competes | Benefit | Reduced turnover costs; protection against competitors recruiting trained employees; monopsony wage savings. |
| Competitors and new entrants | Cost | Reduced access to experienced talent; entry barriers that protect incumbent firms from competition. |
| Regional economies | Cost | Slower knowledge spillovers; reduced entrepreneurship as workers cannot leave to start competing businesses; less dynamic labor markets. |
| Consumers | Mixed | Ambiguous: less competition in product markets may raise prices, but firms may invest more in training if they can retain workers. |
What the evidence shows
Higher non-compete enforceability is consistently associated with lower wages for workers across income levels, with the largest absolute effects on mid-wage workers.
Arguments for and against
- Protects genuine trade secrets: Firms invest in developing proprietary processes, software, and customer relationships. Without protection, rivals could free-ride on that investment by hiring away employees. Non-competes preserve the incentive to invest in training and R&D.
- Supports employer-sponsored training: If employers fear workers will immediately leave to competitors after being trained, they will underinvest in workforce development. Non-competes may partially address this hold-up problem.
- Used far beyond their legitimate scope: Workers in minimum-wage jobs, retail, and food service regularly sign non-competes with no trade secrets to protect. This reflects employer bargaining power, not legitimate business justification.
- Wage suppression through monopsony: By eliminating competing offers, non-competes give employers wage-setting power over their workers. The evidence shows wage effects that cannot be explained by anything other than reduced competition for labor.
- Chills entrepreneurship and innovation: California's non-compete ban correlates strongly with its disproportionate share of venture-backed startups. Workers who cannot found competing companies take fewer entrepreneurial risks.
- NDAs are sufficient protection: Non-disclosure agreements can protect specific confidential information without restricting where workers can work. They are a more precise instrument that does not impose the same labor market costs.
Non-compete agreements serve a narrow legitimate function — protecting genuinely proprietary information in senior technical and executive roles. But they are wildly overused, applied to workers who have nothing secret to protect, as a blunt instrument to suppress wages and reduce worker mobility. The FTC's proposed rule to ban most non-competes reflects this evidence. The right reform is not elimination of all protection for trade secrets, but a narrow, clear standard that limits enforcement to cases where genuine intellectual property is at stake — not a catchall tool for wage suppression.