See Steven Davis and John Haltiwanger (2014) “Labor Market Fluidity and Economic Performance,” NBER Working Paper Series 20479, (Cambridge, Mass: National Bureau of Economic Research, September); Raven Malloy, Christopher Smith, Riccardo Trezzi and Abigail Wozniak (2016), “Understanding Declining Fluidity in the Labor Market,” Brookings Papers on Economic Activity, March 3; and Henry Hyatt and James Spletzer (2013) “The Recent Decline in Employment Dynamics.”  12.
Well, the diagnosis is clear: industry reports highlight that the risk control framework in many institutions was not robust enough, due primarily to weak governance and lack of understanding of the risks inherent in the business strategies adopted.