Prof. Alex Tabarrok is Bartley J. Madden Chair in Economics at the Mercatus Center at George Mason University. He is the co-author with Tyler Cowen of the popular economics blog MarginalRevolution and co-founder of the online educational platform Marginal Revolution University.
He is the author of the recent e-book Launching the Innovation Renaissance (TED books) and Modern Principles of Economics, a leading principles of economics textbook (with Tyler Cowen).
Prof. Alex Tabarrok gave a TED talk in 2009 on How Ideas Trump Crises. Tabarrok’s research focuses on issues in law, economics and politics including intellectual property, judicial and jury incentives, crime and the impact of different voting rules. He has also written on organ transplant policy, the FDA and the regulation of pharmaceuticals.
Tabarrok is the editor of the books Entrepreneurial Economics: Bright Ideas from the Dismal Science, The Voluntary City: Choice, Community, and Civil Society and Changing the Guard: Private Prisons and the Control of Crime. His papers have appeared in the Journal of Law and Economics, Public Choice, Economic Inquiry, Journal of Health Economics, Journal of Theoretical Politics, The American Law and Economics Review, Kyklos and many other journals.
Popular articles by Professor Tabarrok have appeared in The New York Times, The Wall Street Journal and many other magazines and newspapers.
Prof. Alex Tabarrok’s resume/CV and publication list at George Mason University can be seen here.

Prof. Alex Tabarrok understands the asteroid threat, and remarks that

“large asteroid strikes are low-probability, high-death events – so high-death that by some estimates the probability of dying from an asteroid strike is on the same order as dying in an airplane crash.”


In June 2015 Prof. Alex Tabarrok came into contact with EADP, donated and mentioned the troublesome asteroid defence topic in the Washington Post, hitting a very important point in EADP’s financing efforts:

The greatest threat of planetary extinction that we’re all not talking about
– The economics of asteroid defense, or why we’re all going to die

Quote from the article:
“This is a classic case of a public good, meaning that, if you protect one person, you basically protect the entire planet. If we push the asteroid away, we’ve saved everyone. But for that very reason, no one really wants to pay for it. They want the other guy to pay for it.”


To mark Asteroid Day 2015, Prof. Alex Tabarrok did a blog piece and video on Asteroid Defence as public goods, with the benefits and troubles arising from this explained in an easily accessible and humorous way:

And here the follow-up, concerning asteroid defence as well as other public goods:


14th August 2015, Prof. Alex Tabarrok made an appearence on Planet Money, to speak about financing troubles of asteroid defence (click to listen).