From the article: The economists make cities bid against each other to hold their convention, and don't care so much about beaches, golf courses or other frills. It's like buying a car, explains the American Economic Association's secretary-treasurer, John Siegfried, an economist at Vanderbilt University. "When my wife buys a car, she seems to care what color it is," he says. "I always tell her, don't care about the color." He initially wanted a gray 2007 Mercury Grand Marquis, but a black one cost about $100 less. He got black. The rest of the article http://online.wsj.com/article/SB126238854939012923.html The article made me wonder how and economist would be at trading.