Some Interesting Blogs about Economics and Public PolicyMarginal Revolution.  An eclectic general-interest economics blog run by economists Tyler Cowen and Alex Tabarrok of George Mason University.
Brad DeLong’s Semi-Daily Journal.  Economist at UC Berkeley and former Clinton Administration official.
Greg Mankiw’s Blog.  Harvard economist, author of leading economics textbooks, and formerly chief economic advisor to President George W. Bush.
Paul Krugman’s “Conscience of a Liberal.”  Nobel prize winning economist at Princeton, and New York Times columnist.
The Baseline Scenario.  A blog that tracks the global economic crisis, authored by Simon Johnson (Professor at MIT, Senior Fellow at the Peterson Institute for International Economics, and former chief economist of the International Monetary Fund), James Kwak (a former McKinsey consultant and current student at Yale Law School), and Peter Boone (Associate at the Centre for Economic Performance, London School of Economics).
Calculated Risk.  Finance and economics blog, with excellent up-to-date information on the state of the economy and the financial crisis.
Economix.  The New York Times economics blog.
Freakonomics Blog.  Blog that includes posts from the authors of Freakonomics (U. Chicago Economist Steve Levitt and journalist Stephen Dubner), along with many other empirically-oriented economists.
Planet Money.  Blog for NPR’s thrice-weekly podcast on the economy.
Chris Blattman’s Blog.  Chris Blattman is an economist and political scientist at Yale who ”uses field work and statistics to study poverty alleviation, political participation, the causes and consequences of violence, and public policy in developing countries.”
Economist’s View.  Mark Thoma, Economist at University of Oregon.
Megan McArdle’s Asymmetrical Information, Atlantic Monthly.
Ezra Klein, Washington Post.