European Central Bank (ECB) - Directorate General Economics, Bank of Latvia, European Central Bank (ECB), affiliation not provided to SSRN, European Central Bank (ECB), European Central Bank (ECB), European University Institute - Economics Department (ECO), European Central Bank (ECB), European Central Bank (ECB), Bank of Italy, European Central Bank (ECB), National Bank of Romania, German Institute for Economic Research (DIW Berlin), European Central Bank (ECB), Bulgarian National Bank, European Central Bank (ECB), European Central Bank (ECB), Banque de France, Banco de España, Oesterreichische Nationalbank (OeNB), Latvijas Banka, De Nederlandsche Bank, Oesterreichische Nationalbank (OeNB) and Bank of Italy