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Duration: 58:03

Stiglitz helped create a new branch of economics, "The Economics of Information," exploring the consequences of information asymmetries and pioneering such pivotal concepts as adverse selection and moral hazard, which have now become standard tools not only of theorists, but of policy analysts. He has made major contributions to macro-economics and monetary theory, to development economics and trade theory, to public and corporate finance, to the theories of industrial organization and rural organization, and to the theories of welfare economics and of income and wealth distribution. In the 1980s, he helped revive interest in the economics of R&D.

His work has helped explain the circumstances in which markets do not work well, and how selective government intervention can improve their performance.

Recognized around the world as a leading economic educator, he has written textbooks that have been translated into more than a dozen languages. He founded one of the leading economics journals, The Journal of Economic Perspectives. His book Globalization and Its Discontents (W.W. Norton June 2001) has been translated into 35 languages, besides at least two pirated editions, and in the non-pirated editions has sold more than one million copies worldwide. Other recent books include The Roaring Nineties (W.W. Norton); Towards a New Paradigm in Monetary Economics (Cambridge University Press) with Bruce Greenwald; Fair Trade for All (Oxford University Press), with Andrew Charlton; Making Globalization Work, (W.W. Norton and Penguin/ Allen Lane, 2006); and The Three Trillion Dollar War: The True Cost of the Iraq Conflict, (W.W. Norton and Penguin/ Allen Lane, 2008), with Linda Bilmes of Harvard University. His newest book, Freefall: America, Free Markets, and the Sinking of the World Economy, was published in January 2010 by WW Norton and Penguin/ Allen Lane.