Links for 2012-01-18

• Filling a hole or priming the pump? - Noah Smith
• Choosing an investment strategy for an inefficient world - Vox EU
• Sociology of knowledge: Camic, Gross and Lamont - Dan Little
• A real market economy ensures that greed is good - John Kay
• Open Science And The Econoblogosphere - Paul Krugman
• Monthly GDP Declined 0.8% in November - Macroadvisers
• Breakthrough in Saving Lives in Rural Africa - Jeffrey Sachs
• John Maynard Keynes on Occupy Mitt Romney - unsettling economics
• The Fed needs better data - Trust Your Instincts
• Immigration laws provide no benefits - Richard Green
• Saving and Investment: My (Keynesian) Take - Arnold Kling
• Remembering Michael Mussa - iMFdirect
• The cruel consequences of moral hazard in health care - Frances Woolley