2Blanchard, O.J. and Summers, L. H. , 1986, Hysteresis and the European Unemployment Problem, NBER Macroeconomics Annual.
3Breitung, J. , 2000, The Local Power of Some Unit Root Tests for Panel Data, in B. Baltagi (ed), Advances in Econometrics 15 : Nonstationary Panels, Panel Cointegration, and Dynamic Panels, Amsterdam: JAI Press, 161 -178.
4Breusch, T.S. and Pagan, A. R. , 1980, The Lagrange Multiplier Test and Its Applications to Model Specification in Econometrics, Review of Economic Studies, 47, 239 - 253.
5Brunello, G. , 1990, Hysteresis and the Japanese Unemployment Problem: a Preliminary Investigation, Oxford Economic Papers, 42,483 -500.
6Choi, I., 2001, Unit Root Tests for Panel Data, Journal of International Money and Finance, 20, 249- 272.
7Friedman, Milton, 1968, The Role of Monetary Policy, American Economic Review, 58, 1 - 17.
8Im, K. S. , Pesaran, M. H. and Y. Shin, 2003, Testing for Unit Roots in Heterogeneous Panels, Journal of Econometrics, 115, 53 -74.
9Jaeger, A. and Parkinson, M. , 1994, Some Evidence on Hysteresis in Unemployment rates., European Economic Review, 38, 329 -342.
10Leon-Ledesma, M. A. , 2002, Unemployment Hysteresis in the U. S. States and the EU: a Panel Approach, Bulletin of Economic Research, 54, 95 - 103.
