"Dani Rodrik's piece":http://www.project-syndicate.org/commentary/how-economists-killed-policy-analysis-by-dani-rodrik on the reasons why political economy needs
A rather lengthier response to "Jacqueline Stevens' op-ed":http://www.nytimes.com/2012/06/24/opinion/sunday/political-scientists-are-lousy-forecasters.html. Speaking to