Woodford, M. (2003), “Interest and prices”, Princeton University Press, Princeton. Wright, J. (2011), “Term Premia and Inflation Uncertainty: Empirical Evidence from an International Panel Dataset”, American Economic Review, Vol 101 No.4. Wu, J.C. and F. D. Xia (2016), ““Measuring the Macroeconomic Impact of Monetary Policy at the Zero Lower Bound”, Journal of Money, Credit, and Banking, 2016, 48(2–3), 253–291.
[1]  Wicksell, K. (1898) “Interest and Prices”, edition of 1936 in English published by Macmillan, London, p 102. [2]  See a characteristic post-Keynesian view in Pilkington, P. (2014) “Endogenous money and the natural rate of interest: the re-emergence of liquidity preference and animal spirits in the post-Keynesian theory of capital markets”, Levy Economics Institute Working Paper No. 817.