1. Department of Economics and Management “Marco Fanno,”; University of Padova
2. A.A.Advisors-QCG (ABN AMRO); Variances and University of Paris-1 (PRISM)
3. Department of Statistical Sciences; University of Padova
4. A.A.Advisors-QCG (ABN AMRO); Variances and Univ. Orléans (LEO/CNRS and LBI)