The Authors

Noel D. Johnson

Johnson Headshot Sp17

Noel Johnson is an Associate Professor in the Economics Department at George Mason University. He is also a member of the Center for the Study of Public Choice and a Research Fellow at the Mercatus Center. He earned his Ph.D. at Washington University in St. Louis. His interests lie at the intersection of economic history, development, and the new institutional economics.

Noel’s recent research has focused on questions such as, “how do states build administrative and fiscal capacity?”, “what is the relationship between state capacity and growth enhancing economic and social outcomes such as religious tolerance or free trade?”, and “how has the disease environment and climate affected economic and social outcomes under different institutional settings?” This research has been published in outlets including The Journal of Law and EconomicsExplorations in Economic HistoryThe Economic Journal, and the Journal of Development Economics.


Mark Koyama

Mark Koyama

Mark Koyama is an Associate Professor of Economics at George Mason University.  He is a National Fellow at the Hoover Institution for the 2017-2018 academic year.  Mark received his Ph.D. in economics from the University of Oxford in 2010.  He previously held academic positions at the University of York and Brown University.

Persecution and Toleration is his first book.  Previous research has been published in numerous academic journals including the Economic JournalInternational Economic Review, the Journal of Development Economics, the Journal of Law and Economics, and Explorations in Economic History.  His research has been featured in the New York Times, the Economist, the Financial Times, the Boston Globe, Slate and Foreign Policy among other outlets.

He tweets at  Occasional essays and blog posts can be found at Medium and Notes on Liberty.