BERND, F.; KAIMANN, D.; SPIESS BRU, C.; SIMMONS, R. Regional Variations in the Returns to Credible Signals of Product Quality: Empirical Evidence from the German Wine Industry. Wine Economics and Policy, [S. l.], 2026. Disponível em: https://oaj.fupress.net/index.php/wep/article/view/19148. Acesso em: 23 may. 2026.