SHIEH, Y.-N. A note on location and the output effect of ad-valorem taxes under free entry oligopoly. Economics and Business Letters, [S. l.], v. 4, n. 1, p. 30-35, 2015. DOI: 10.17811/ebl.4.1.2015.30-35. Disponível em: https://reunido.uniovi.es/index.php/EBL/article/view/10407. Acesso em: 9 dec. 2021.