Here is a list of economic blogs that I read regularly:

Marginal Revolution: Tyler Cowen & Alex Tabarrok (George Mason University)
Grasping Reality with Both Hands: Brad DeLong (University of California - Berkeley)
Vox: Esther Duflo (M.I.T.), Barry Eichengreen (University of California - Berkeley), others
Project Syndicate: Kenneth Rogoff (Harvard University), Nouriel Roubini (New York University), others
The Conscience of a Liberal: Paul Krugman (Princeton University)
Greg Mankiw's Blog: N. Gregory Mankiw (Harvard University)
EconTalk: Russ Roberts (George Mason University)
EconLog: Bryan Caplan (George Mason University), David Henderson (Naval Postgraduate School)
The Money Illusion: Scott Sumner (Bentley University)

Here are some blogs that have linked to my articles:

Marginal Revolution
Wonk Blog (The Washington Post)
Free Exchange (The Economist)
Bear & Bull (De Tijd)
You're the Boss (The New York Times)
The Big Picture
Prosa Econômica
Healthcare Economist