4 8/9  BIS central bankers' speeches  4 See, for example, Borio, C. and Zhu, H. (2008), “Capital regulation, risk-taking and monetary policy: a missing  link in the transmission mechanism?”, BIS Working Papers, No 268, BIS, and Adrian, T. and Shin, H.-S. (2010), “Liquidity and leverage”, Journal of Financial Intermediation, Vol. 19, pp. 418–437.
5 See, for example, Bekaert, G. , Hoerova, M. and Lo Duca, M. (2013), “Risk, uncertainty and monetary policy”,  Journal of Monetary Economics, Vol. 60, Issue 7, pp. 771–788, and Heider, F., Saidi, F. and Schepens, G. (2017), “Life below zero: Bank lending under negative policy rates”, mimeo, available on SSRN.