WORKING PAPER SERIES NO. 441 / FEBRUARY 2005 THE PHILLIPS CURVE AND LONG-TERM UNEMPLOYMENT by Ricardo Llaudes CONTENTS Abstract 4 Non-technical summary 5 1 Introduction 7 2 Evolution and studies of unemployment in the OECD 9 2.1 Studies on long-term unemployment 11 3 Econometric model: the Phillips curve and the NAIRU 12 3.1 Unemployment duration version of the Phillips curve 13 3.2 Estimation issues 15 4 Empirical results 16 4.1 Main model results 16 4.2 Time path of the NAIRU 20 4.3 Confidence intervals 21 4.4 Euro area analysis 22 4.5 Implications for forecasting 24 4.5.1 Evaluating the forecasts 26 5 The role of labor market institutions 27 6 Robustness to alternative specifications 30 6.1 The wage Phillips curve 31 6.2 The effect of supply shocks 31 6.3 Changes to the signal-to-noise ratio 32 7 Conclusions 30 References 35 Tables and figures 39 European Central Bank working paper series 45 ECB Working Paper Series No. 441 3 February 2005