Driffill, John and Miller, M.H. (2011) Handling liquidity shocks: QE and Tobin's Q. In: Chadha, J.S. and Holly, S. (eds.) Interest Rates, Asset Prices and Liquidity: Lessons from the Financial Crisis. Macroeconomic Policy Making. Cambridge, UK: Cambridge University Press, pp. 108-116. ISBN 9781107014732.