Baron's research examines people's judgments and decisions about public policies. Specifically, he in interested in what sorts of judgments, when put into effect through politics, prevent society from being organized to do the most good.
Baron is the sole author of: Rationality and Intelligence (1985); Thinking and Deciding (4th edition 2008), a widely used textbook for advanced undergraduates and beyond; Morality and Rational Choice (1993); Judgment Misguided: Intuition and Error in Public Decision Making (1998), and Against Bioethics (2006). He has also co-edited three books and published about 200 articles and chapters.
He is Editor of the journal Judgment and Decision Making and past president of the Society for Judgment and Decision Making. He holds a BA from Harvard (1966) and a PhD from Michigan (1970), and is a Fellow of the American Association for the Advancement of Science, the Association for Psychological Science, the Eastern Psychological Association, and the Society of Experimental Psychologists.