This paper examines the relationship between world crude oil markets following the introduction of Shanghai crude oil futures from the perspective of network connectedness based on the vector autoregressive model. The connectedness measurement method proposed by Diebold and Yilmaz (Econ J 119(534):158–171, 2009, Int J Forecast 28(1):57–66, 2012.
https://doi.org/10.1016/j.ijforecast.2011.02.006...... hiện toàn bộ