I recently read Sendhil Mullainathan's paper, "Psychology and Development Economics," for a class I'm taking with him. It's a fantastic read and very accessible -- I highly recommend it.  One section, however, is so thought provoking that I felt it worth replicating in full on my blog.  It's about the psychology of fairness and its role in corrupt behavior.  I have become extremely interested fairness in human behavior, and its evolutionary roots.  I think it has a lot to teach us about deve...