@articleStöckmann_2022, title=Conditional Beta-Convergence by Gravity, volume=12, DOI=10.4236/tel.2022.121006, number=01, journal=Theoretical Economics Letters, publisher=Scientific Research Publishing, Inc., author=Stöckmann, Nico, year=2022, pages=98–110 
LibreCat: /record/31327
DOI: 10.4236/tel.2022.121006