First Offer Advice

We analyzed 25 million negotiations to help you make the first offer in your next negotiation. uses data from over 25 million negotiations on ebay.

You can learn more about first offers in negotiations and:
  • read our paper on first offers and impasse risk once it’s been accepted for publication
  • read about the data and algorithm we used 
  • read about the first offer advice project here
You can also get some practical help with your next negotiation!
Receive evidence-based first-offer recommendations using our interactive first-offer calculator.
See the effects of impasse risk and price uncertainty on first-offer recommendations in our interactive offer table.

Visit our OSF page here.