Discussion paper DP7581 Limitations on the Effectiveness of Forward Guidance at the Zero Lower Bound Andrew Levin J David López-Salido Edward Nelson Tack Yun 29 Nov 2009 International Macroeconomics E32 E43 E52
Discussion paper DP6423 Strategic Complementarities and Optimal Monetary Policy Andrew Levin J David López-Salido Tack Yun 17 Aug 2007 International Macroeconomics E31 E32 E52
