Brakman, Steven; Garretsen, Harry; Oumer, Abdella - 2014
. In this paper we investigate the effects of town twinning on population growth in German counties and municipalities. Our … population growth compared to German cities that do not have twinning partners. Especially the number or intensity of twinning … positive effect on city growth. We also find that the positive population growth effects of town twinning are confined to the …