Do gay men have a tougher time buying used cars?

The stereotypical good negotiator is tough, assertive and dominant. When we think of those traits, we may well think of certain stereotypical kind of people who we think fit with that—and who doesn't fit. So how do people respond differently depending on who they think they're negotiating with? Chicago Booth's Erika Kirgios tells us about her research on stereotypes and negotiation in the used-car market.