Is flirtation an effective negotiation tactic?

When I teach negotiation skills, my students and I explore a variety of strategies for reaching agreement, but we almost never mention flirtation. This may be because there is very little research on flirtation as a negotiation tactic – but it may also be because, as we found in one of our surveys, negotiation students do not consider flirtation to be an effective strategy. Nonetheless, flirtation is often alluded to in popular culture, particularly when men talk about female negotiators, so my co-authors and I felt it was worth investigating.