Other than my own blogsite, I also recommend the following blogsites which appear in the WSJtop 25listing (listed in alphabetic order):
The Becker-Posner Blog (http://www.becker-posner-blog.com) – lots of good stuff on public policy, written from a free markets perspective by two extraordinarily prolific University of Chicago faculty members, Nobel Laureate Gary Becker and Richard Posner.
Economix (http://economix.blogs.nytimes.com) – this blog’s “..main contributors are (New York Times) columnist David Leonhardt and reporter Catherine Rampell, but it also has an impressive lineup of guest contributors like Harvard economist Ed Glaeser.”
Greg Mankiw’s Blog – http://gregmankiw.blogspot.com – Harvard economist Greg Mankiw was Chair of the Council of Economic Advisors under President George W. Bush and is the author of the top selling principles of economics textbook.
Marginal Revolution – http://www.marginalrevolution.com – “Tyler Cowen and Alex Taborrok, libertarian economists at George Mason University, write a wide-ranging blog that keeps up with what's happening with the economy, the latest hot research out of academia and healthy doses of noneconomics news examined through an economist's eyes.”
Real Time Economics – http://blogs.wsj.com/economics - “The Wall Street Journal's economics blog aspires to give … a morning jolt of economics, followed by interesting coverage throughout the day of major developments in the (US and global) economy.