Other authors have noted a rise in concentration rates, for example: Peltzman, S. (2014), “Industrial Concentration under the Rule of Reason”, Journal of Law and Economics 57(4), Autor, D., D. Dorn, L. Katz, C. Patterson and J. Van Reenen (2017), “Concentrating on the Fall of the Labor Share”, American Economic Review 107(5), 180–185.
Of course, this is a typical example of something that is easier said than done. BIS Review 71/2009  1  Before the current crisis, central banks issued warnings regarding the build-up of risks through financial system reports. However, issuing warnings are not so difficult. Senior bank executives and other market participants themselves, to some extent, recognize such risks.