European Central Bank (ECB), European Central Bank (ECB) - Directorate General Economics, Bank of Greece, Tilburg University - Tilburg University School of Economics and Management, European Central Bank (ECB), European Central Bank (ECB), De Nederlandsche Bank, National Bank of Belgium, Banco de España, European Central Bank (ECB) - Directorate General Economics, European Central Bank (ECB), Bank of Italy, European Central Bank (ECB), Bank of Estonia, Oesterreichische Nationalbank (OeNB), Deutsche Bundesbank, European Central Bank (ECB), European Central Bank (ECB), European Central Bank (ECB), Banco de España and Bank of Finland