Impact of Financial Speculation on Commodities Prices Volatility through Commercials Risk Aversion Application for Wheat Prices. Global Journal of Management and Business Research, [S. l.], v. 18, n. B1, p. 39–51, 2018. Disponível em: https://journalofbusiness.org/index.php/GJMBR/article/view/101451. Acesso em: 19 feb. 2026.