Associate Professor of Economics at George Mason University and currently a National Fellow at the Hoover Institution, Stanford. Educated at Oxford, Mark's main interests lie in economic history and comparative development. He is currently writing a book (with Noel Johnson) on the origins of religious freedom in western Europe. He has also published papers on state formation in Europe and China, weather shocks and pogroms in the middle ages, and private policing in 19th century England. More details about his research can be found on his webpage. He also blogs at Medium and Notes on Liberty.