SINTRA, PORTUGAL - JUNE 27:  ECB President Mario Draghi (L) and the Governor of the Bank of Japan Haruhiko Kuroda (R) share a laugh while leaving the conference area at the end of the first discussion session of the ECB Forum on Central Banking, on June 27, 2017 in Sintra, Portugal. The 2017 European Central Bank Forum on Central Banking is being attended by some 150 central bank governors, academics, financial journalists and high-level financial market representatives and it focuses on investment and growth in advanced economies, a key topic of debate in the areas of both economics and policymaking. (Photo by Horacio Villalobos - Corbis/Corbis via Getty Images)