R. DEREMER, David; YERGABULOVA, Aigerim. Market concentration in an oil economy: firm-level evidence from Kazakhstan. BUKETOV BUSINESS REVIEW, [S. l.], 2026. DOI: 10.31489/bbr.2026/1331. Disponível em: https://bbr.buketov.edu.kz/economy-vestnik/article/view/1331. Acesso em: 6 nov. 2026.