There's some excellent economics blogs in Australia, from academics and others.
Harry Clarke is Professor of Economics at La Trobe Uni. His blog examines environmental and urban transport economics and the economics of public health - in particular, alcohol, tobacco and other drugs.
Joshua Gans is Professor of Management (Information Economics) at Melbourne Business School (Uni of Melbourne). His blog mainly looks at economics of technology, strategy and public policy.
Andrew Leigh is an economics lecturer at the ANU's Research School of Social Sciences in Canberra. His blog focusses on public policy economics.
John Quiggin, an academic economist at the University of Queensland, is a long-time and well-known Australian blogger. He approaches economics from a 'social-democratic perspective' so his stuff is a bit more lefty than the usual neoclassical fare.
Institutional economics is a blog by Stephen Kirchner, a financial market economist based in Sydney. It has a macro and international focus, looking at economies, capital markets, monetary policy and similar wacky stuff.
Catallaxy and Club Troppo I guess you'd describe as broadly right-of-centre political group blogs but they have some good economic pieces in between the usual political, um, discourse.
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