VoxEU Column Covid-19 across European regions: The role of border controls Kalle Kappner Nikolaus Wolf Matthias Eckardt 4 Nov 2020 COVID-19 EU policies Europe's nations and regions
Discussion paper DP15178 Covid-19 across European Regions: the Role of Border Controls Matthias Eckardt Nikolaus Wolf 17 Aug 2020 International Trade and Regional Economics C33 I18 R23