Narayana Kocherlakota, president and chief executive officer of the Federal Reserve Bank of Minneapolis, laughs during a Bloomberg Television interview during the Jackson Hole economic symposium, sponsored by the Federal Reserve Bank of Kansas City, at the Jackson Lake Lodge in Moran, Wyoming, U.S., on Friday, Aug. 28, 2015. The symposium gathers central bankers, finance ministers, academics, and market participants to discuss the theme of "Inflation Dynamics and Monetary Policy". Photographer: David Paul Morris/Bloomberg via Getty Images