What Non-Compete Policy Can—and Cannot—Claim
Non-compete agreements are the subject of this series, but the decisive question is not whether a clause looks restrictive on paper. It is what happens to a worker’s career when the agreement enters the employment relationship: before a court rules, at the job transition, and over the wage path that follows. The evidence supports a practical judgment. An NCA can change a worker’s trajectory without a completed lawsuit, but the direction of that change depends on the worker group and the labor market, and the evidence does not justify a universal verdict.
The Chicago Fed working paper gives that judgment a sharper form. In its retained NLSY97 transition sample, low-education workers who sign an NCA show no clear immediate wage premium and significantly slower wage growth over the following four years. High-education workers show a small and imprecise immediate effect but significantly faster wage growth over time. For both groups, the effect on job tenure is imprecisely estimated. The pattern is neither “non-competes raise wages” nor “non-competes always suppress wages.” It is a dynamic, heterogeneous result that becomes meaningful only when the outcome, comparator, and time horizon remain visible.
The right unit of judgment is a trajectory
The central answer to the title’s question is therefore yes, with an important qualification. A non-compete can matter before a court decides its formal enforceability because workers and employers make decisions under uncertainty. A worker may treat a competing job as risky or less usable, even where the legal position is unclear. That perceived constraint can narrow the worker’s outside option, which is the set of alternatives they can credibly pursue and accept. A narrower outside option can affect bargaining power and later wage growth without appearing as a dramatic cut to the initial paycheck.
This is why legal enforceability and practical incidence should not be collapsed. An enforceability rule describes what a legal system permits an employer to make stick. Incidence describes whether a worker’s job carries the agreement. The practical labor-market question is what the worker and employer do with that restriction. The Chicago Fed paper argues that focusing only on enforceability can miss this channel, because NCA use remains substantial in settings where enforceability is weak or absent and workers may comply because of uncertainty or fear of litigation. Those behavioral claims are part of the paper’s account of prior research; they do not mean every clause is effective or that fear explains every worker’s response.
The evidence’s strongest contribution is to place three outcomes on one timeline. The first is the transition effect: what happens to the wage around the move into an NCA job. The second is the later wage gradient: whether wages grow faster or slower after the move. The third is job tenure: whether the worker leaves the first post-transition job at a different rate. These outcomes answer different questions.
For low-education workers, the transition estimate is statistically indistinguishable from zero. That leaves a clear immediate premium unsupported, but it does not prove that no compensation exists. The four-year estimate is negative and statistically significant, which makes the later difference harder to attribute to sampling noise under the study’s model. The paper interprets the combination as consistent with outside-option suppression and weaker bargaining power. The worker may not start with a lower wage; the career path may deteriorate relative to a comparable transition as future opportunities and negotiations unfold.
For high-education workers, the transition effect is also small and imprecise, while later wage growth is significantly higher. That pattern is consistent with a setting in which firm-specific investment matters: the employer may have more reason to protect specialized knowledge, and the worker may gain value from experience built inside the firm. But the paper does not directly measure training, firm investment, or the division of the resulting return. Faster wage growth is evidence compatible with that account, not proof that the NCA caused the investment or that the arrangement benefits every high-education worker.
Tenure adds a necessary brake to both interpretations. The paper finds no conclusive evidence that NCAs materially change the probability of leaving the first post-transition job for either group. The high-education point estimate is described as positive in the full paper, but it is imprecise; the low-education effect is not significant.