Affiliation: | 1. Bank of Italy, Economic Research Unit, Bologna branch and RCEA, Piazza Cavour, 6 40124 Bologna, Italy;2. Bank of Italy, Economic Research Unit, Bari branch Corso Cavour, 4 70121 Bari, Italy;3. Bank of Italy, Directorate General for Economics, Statistics and Research, Via Nazionale, 91 00184 Roma, Italy |