2  Alessi, L. and C. Detken (2011), “Quasi real time early warning indicators for costly asset price boom/bust cycles: A role for global liquidity”, European Journal of Political Economy, vol. 27(3), pp. 520–533. 3  Claessens, S., M. A. Kose and M. E. Terrones (2011), “Financial cycles: What? How? When?”, IMF Working Paper No. 76.
4  Holló, D., M. Kremer and M. lo Duca (2012), “CISS – a composite indicator of systemic stress in the financial system”, ECB Working Paper No. 1426. 5  Jordà, O., M. H. P. Schularik and A. M. Taylor (2011), “When credit bites back: leverage, business cycles and crises”, NBER Working Paper No 17621.