Alex Tabarrok is an economist and professor at George Mason University, known for his work in the fields of public choice and innovation. He is a co-founder of the popular economics blog Marginal Revolution, where he discusses various economic issues and ideas. Tabarrok has contributed to the understanding of how markets function and the role of incentives in shaping human behavior. He has also authored several books and articles, focusing on topics such as entrepreneurship, intellectual property, and the impact of technology on society.