There is no single reliable source to compare the U.S. ratio to other countries, or even to accurately measure the U.S. ratio. But The Fact Checker could not confirm Webb’s claim that Japanese chief executives make 10 times, and German chief executives make 11 times, than average workers. Pedro Matos, a University of Virginia Darden School of Business finance professor who studies international corporate governance structures, is critical of comparing the ratios between countries. While the numbers in his 2009 study are now outdated, the research notes interestin...