John G. Riley is the Distinguished Professor of Economics at the University of California, Los Angeles. A Fellow of the Econometric Society, his research has appeared in eminent journals such as the American Economic Review, Econometrica, the Journal of Political Economy, the Quarterly Journal of Economics, the Review of Economic Studies, the Journal of Economic Theory, and the RAND Journal of Economics. Professor Riley is the author of Essential Microeconomics (Cambridge University Press, 2012) and co-author, with the late Jack Hirshleifer, of the first edition of The Analytics of Uncertainty...