What salary history bans actually changed
Hansen and McNichols studied the early effects of statewide salary history bans. They found the gender earnings ratio increased by about 1% in states with bans, with the gains concentrated in several subgroups. Their design estimates the net policy effect; it does not show that every employer switched cleanly from past pay to market pricing.1
Disclosure can help and hurt
A separate field experiment used hundreds of recruiters and more than 2,000 fictional applications. Employers made negative inferences about candidates who did not disclose. For men and other higher-paid candidates, disclosure produced higher salary offers but also fewer callbacks after accounting for salary. That is a tradeoff, not a slogan.2
What candidates can control
Know the local rule, ask for the employer's range, and prepare your own walk-away point before the conversation. Never invent a current salary. If you choose not to disclose, be ready to redirect calmly; if you do disclose, understand what signal the number may send in that market.
Why the first number matters
Across three general negotiation experiments, the party making the first offer obtained a better outcome, and first offers strongly predicted final settlements. Those experiments were not salary-history-ban studies, so use them for the narrower lesson: prepare the reference point you want to discuss and the evidence behind it.3
Limitations
- •Legal requirements vary by jurisdiction. This is not legal advice.
- •The two salary-history studies are NBER working papers, not guarantees about an individual negotiation.
- •The negotiation experiments tested first offers generally, not salary-history disclosure specifically.