Economics-free trade may have contributed to the extinction of Neanderthals 30,000-40,000 years ago, according to a paper published in the “Journal of Economic Organization and Behavior.” “After at least 200,000 years of eking out an existence in glacial Eurasia, the Neanderthal suddenly went extinct,” writes University of Wyoming economist Jason Shogren, along with colleagues Richard Horan of Michigan State University and Erwin Bulte from Tilburg University in the Netherlands. “Early modern humans arriving on the scene shortly before are suspected to have been the perpetrator, but exactly how they caused Neanderthal extinction is unknown.” Creating a new kind of caveman...