TY - JOUR A1 - Patuelli, R. A1 - Schanne, N. A1 - Griffith, D. A1 - Nijkamp, P. T1 - Persistence of regional unemplyoment: Application of a spatial filtering approach to local labour markets in Germany Y1 - 2012 JF - Journal of Regional Science VL - 52 IS - 2 ER -