# Alexander Tabarrok **URL:** --- Alex Tabarrok is Bartley J. Madden Chair in Economics at the Mercatus Center at George Mason University and a professor of economics at George Mason University. He specializes in patent-system reform, the effectiveness of bounty hunters compared to the police, how judicial elections bias judges, and how local poverty rates impact trial decisions by juries. He also examines methods for increasing the supply of human organs for transplant, the regulation of pharmaceuticals by the FDA, and voting systems. Tabarrok is the coauthor, with Mercatus colleague Tyler Cowen, of the popular economics blog [_Marginal Revolution_](http://www.marginalrevolution.com/) and cofounder of the online educational platform [Marginal Revolution University](http://mruniversity.com/). He is the coauthor of _Modern Principles of Economics_, and author of the recent e-book _Launching the Innovation Renaissance_. His articles have appeared in the_ New York Times_, the_Washington Post_, the_ Wall Street Journal_, and many other prestigious publications. Tabarrok received his PhD in economics from George Mason University and was a Mercatus Center PhD Fellow.