Oliveira, Fernando Nascimento de. “ Exchange Rate Exposure of Firms and the Demand for Foreign Exchange Derivatives in Brazil: Did Hedge or Speculatiom Matter? ”. Economia Aplicada 16, no. 4 (dezembro 1, 2012): 613–641. Acessado março 10, 2025. https://periodicos.usp.br/ecoa/article/view/53112.