Garret Jones, R.W. Hafer, and Bradley K. Hobbs are getting awfully close to thoughtcrime with their paper, IQ and the Economic Growth of U.S. States. Abstract: In the cross-country literature, cognitive skills are robust predictors of economic growth. We investigate claims by psychologists that the same is true at the state level. In a variety of specifications using four proxies for average state IQ used in the psychology literature, little…