I am remiss in not having already talked about the excellent New Economist weblog:

New Economist : New economic research, data, events and analysis from a London-based macroeconomist.

And here is its list of economics-relevant weblogs:

• 2 Blowhards
• A Canadian Econoview
• A Few Euros More
• A Fistful of Euros
• A Random Walk
• Adam Smith Institute Blog
• Adam Smith Lives! (Sandy Peart)
• AdamSmithee
• Angry Bear
• ArgMax (John Irons)
• Armchair Capitalists
• Asymmetrical Information (Jane Galt)
• Becker-Posner Blog
• Ben Muse
• Big Picture (Barry L. Ritholtz)
• Blimpish
• Bonobo Land (Edward Hugh)
• Brad DeLong
• Brad Setser
• Cafe Hayek (Don Boudreaux)
• Calculated Risk
• Canadian Economist
• Capital Spectator (James Picerno)
• Captain Capitalism
• Catallarchy
• Catallaxis
• Catallaxy (Andrew Norton)
• Chicago Boyz
• Conglomerate Blog
• Corner Solution
• Cynic's Delight (Ben Carliner)
• Daniel Drezner
• Daniel Gross
• Division of Labour
• Dr John Rutledge Blog
• Dynamist (Virginia Postrel)
• Eclectic Econoclast (John Palmer)
• EconLog (Arnold Kling)
• EconOpinion (Ronald Ayers)
• Econbrowser (James Hamilton)
• EconoPundit
• Economic Education (Tom Schilling)
• Economic Principals
• Economics Roundtable (blog of blogs)
• Economics UK (David Smith)
• Economics Unbound (Michael Mandel)
• Economist's View (Mark Thoma)
• Emirates Economist
• Environmental Economics
• Environmental and Urban Economics (Matthew Kahn)
• Eschaton (Duncan Black)
• Finance Professor (Jim Mahar)
• Financial Rounds
• Fly Bottle (Will Wilkinson)
• Freakonomics Blog
• Full Context
• General Glut's Globblog
• Geoff's Blog
• Global Development: Views from the Center
• Global Economics (Nouriel Roubini)
• Global Growth Blog
• Happiness and Public Policy (Will Wilkinson)
• Heavy Lifting
• Hypothetical Bias (John Whitehead)
• Imagining Australia (Andrew Leigh)
• Institutional Economics (Stephen Kirchner)
• John Quiggin
• Knowledge Problem (Lynne Kiesling)
• Kudlow's Money Politic$
• Macroblog
• Mahalanobis (Michael Stastny)
• Marginal Revolution
• Market Power (Phil Miller)
• Max Speak (Max Sawicky)
• Midwest Economy (Bill Testa)
• Mish's Global Economic Trend Analysis
• Neuroeconomics
• Newmark's Door
• Oligopoly Watch
• Our word is our weapon
• Owen’s Musings (Owen Barder)
• Peter Gallagher
• Politics & Economics (Steven Weber)
• Poor and Stupid (Donald Luskin)
• Private Sector Development Blog
• SCSU Scholars
• Skeptical Speculator
• SmartEconomist
• Stationary Bandit
• Statistical Modeling, Causal Inference, and Social Science
• Steve Verdon
• Stumbling and Mumbling (Chris Dillow)
• Tax Policy Blog
• The Business Editors
• The Liberal Order
• Tim Harford
• Tim Worstall
• Truck and Barter
• VoluntaryXchange
• Vox Baby (Andrew Samwick)
• William Polley
• Winterspeak
• Worthwhile Canadian Initiative (Stephen Gordon)