3 For modelling of monetary transmission with household heterogeneity, see Kaplan, G., Moll, B., and Violante, G.  L. (2018), “Monetary Policy According to HANK”, American Economic Review, Vol. 108, No 3, 697–743.
4 See Ampudia, M., Georgarakos, D., Slacalek, J., Tristani, O., Vermeulen, P., and Violante, G. L. (2018), “Monetary  Policy and Household Inequality”, ECB Working Paper Series, No 2170, European Central Bank. 3/3  BIS central bankers' speeches