Thu Thuy Nguyen; Nguyen Van Chien; Tran Trong Nguyen - In: Cogent economics & finance 8 (2020) 1, pp. 1-20
This research examines the influence of world crude oil price shocks on the financial performance of Vietnamese oil- and gas-related firms. Based on copula approach and the sample data of domestic giant oil- and gas firms from 2009 to 2019, in particular in the situation of oil price steadily...