European Central Bank (ECB), European Central Bank (ECB), European Central Bank (ECB), Bank of Italy, European Central Bank (ECB), European Central Bank (ECB), European Central Bank (ECB), Oesterreichische Nationalbank (OeNB), Board of Governors of the Federal Reserve System, National Bank of Belgium, Bank of Estonia, Bulgarian National Bank, Bank of Estonia, Bank of Finland - Research, Czech National Bank, Bank of Finland, National Bank of Denmark, Banque de France, European Central Bank (ECB), Deutsche Bundesbank, European Central Bank, European Central Bank (ECB), Deutsche Bundesbank, Deutsche Bundesbank, European Central Bank, Deutsche Bundesbank, University of Oxford, Bank of Greece, European Central Bank (ECB), Bank of Greece, National Bank of Poland, Bank of Italy, National Bank of Poland, Latvijas Banka, Bank of Portugal - Economic Research Department, Latvijas Banka, Národná banka Slovenska, Bank of Lithuania, Bank of Slovenia, Banque centrale du Luxembourg, European Central Bank (ECB), De Nederlandsche Bank, Banco de España, De Nederlandsche Bank and Sveriges Riksbank

European Central Bank, Bank of Greece, Bank of Finland, Deutsche Bundesbank, Bank of Latvia, De Nederlandsche Bank, Bank of Italy, Bank of Portugal, European Central Bank (ECB), European Central Bank (ECB), Banco de España, Deutsche Bundesbank, Cyprus University of Technology, Bank of Greece, De Nederlandsche Bank - Research Department, Croatian National Bank, European Central Bank (ECB), Bank of Italy, Národná banka Slovenska, National Bank of Denmark, Bank of Portugal and Banco de España