Are people more ethical or less ethical when they negotiate with a foreigner instead of a fellow countryman? In a recent study of 810 adults in the U.S. and China, conducted with coauthor Chao Wang, we looked at how likely people were to use unethical or ethically questionable tactics, like telling lies or offering bribes, depending on who they were negotiating with. We focused on these two countries because they are currently the two largest economies in the world — negotiations between them are worth billions of dollars almost every month.