N. Gregory Mankiw is Robert M. Beren Professor of Economics and Chair of the Department of Economics at Harvard University. He studied economics at Princeton University and MIT. He has taught macroeconomics, microeconomics, statistics, and principles of economics. Professor Mankiw is a prolific writer and a regular participant in academic and policy debates. His research includes work on price adjustment, consumer behavior, financial markets, monetary and fiscal policy, and economic growth. His published articles have appeared in academic journals such as the AMERICAN ECONOMIC REVIEW, JOURNAL OF POLITICAL ECONOMY, and QUARTERLY JOURNAL OF ECONOMICS and in more widely accessible forums including THE NEW YORK TIMES, THE WASHINGTON POST, THE WALL STREET JOURNAL, and FORTUNE. In addition to his teaching, research, and writing, Professor Mankiw has been a research associate of the National Bureau of Economic Research, an adviser to the Federal Reserve Bank of Boston and the Congressional Budget Office, and a member of the ETS test development committee for the advanced placement exam in economics. From 2003 to 2005, he served as chairman of the President's Council of Economic Advisers. In addition, he maintains a very popular blog for students of economics at http://www.gregmankiw.blogspot.com.