European Central Bank (ECB), Bank of Italy, European Central Bank (ECB), Bank of Italy, European Central Bank (ECB), Bank of Italy, Bank of Portugal, Banco de España, European Central Bank, European Central Bank (ECB), Bank of Italy - Research Department, Bank of Italy, Bank of Slovenia, Banco de España, Banque de France, European Central Bank (ECB), National Bank of Belgium, Banque de France, European Central Bank (ECB), European Central Bank (ECB), Deutsche Bundesbank, European Central Bank (ECB), Oesterreichische Nationalbank (OeNB), European Central Bank (ECB), European Central Bank (ECB), Bank of Italy, Banque de France, European Central Bank (ECB), Deutsche Bundesbank, Banque de France, Banco de España, Banco de España, Bank of Italy, Bank of Italy, European Central Bank (ECB), Bank of Italy, Bank of Finland, Deutsche Bundesbank, Bank of Slovenia, Bank of Finland - Institute for Economies in Transition (BOFIT), Bank of Spain and Banque de France

Bank of Italy, Bank of Italy, University of Bergamo, Polytechnic University of Milan, Deutsche Bundesbank, Banco de España and Bank of Spain