John Lipsky, a visiting scholar of the Paul H. Nitze School of Advanced International Studies and a former special adviser to the IMF, says the IMF is less concerned about China in the short term. Mohamed El-Erian, chief economic adviser of Allianz, says the market dodged a Lehman moment on Deutsche Bank. London School of Economics professor Nicholas Stern says Brexit is calling U.K. growth prospects into question. IMF Managing Director Christine Lagarde urges European banks to examine their business models.