The World Bank (WB); European Bank for Reconstruction and Development (EBRD); European Investment Bank (EIB), 'Enterprise Survey 2019 (North Macedonia)', 2020
Portugal Instituto Nacional de Estatística (INE); Minnesota Population Center (University of Minnesota), 'XII Recenseamento Geral da População e II Recenseamento Geral da Habitação 1981 - IPUMS Subset (Portugal)', 2016
Development Research Group, Finance and Private Sector Development Unit (World Bank), 'Global Financial Inclusion (Global Findex) Database 2017 (Croatia)', 2018
World Bank Group (WBG); European Bank for Reconstruction and Development (EBRD); European Investment Bank (EIB), 'Enterprise Survey 2018 (Greece)', 2019
National Statistical Service of Greece; Minnesota Population Center (University of Minnesota), 'National Population Housing Census 1981 - IPUMS Subset (Greece)', 2016