Danny Blanchflower, Dartmouth College Professor of Economics, says there are no data which support a BOE rate hike. Wilbur Ross, U.S. Secretary of Commerce, thinks finding workers is the biggest problem for American industry. Daniel Yergin, IHS Markit Vice Chairman, says labor in many markets is very tight. And Susan Lund, McKinsey Global Institute Director of Research, observes corporate debt has tripled in size since the financial crisis.