James D. Fearon (born c. 1963) is the Theodore and Francis Geballe Professor of Political Science at Stanford University; he is known for his work on the theory of civil wars, international bargaining, war's inefficiency puzzle, audience costs, and ethnic constructivism. According to a 2011 survey of International Relations scholars, Fearon is among the most influential International Relations scholars of the last twenty years.[1] His 1995 article "Rationalist Explanations for War" is the most assigned journal article in International Relations graduate training at U.S. universities.[2]