Two recent nonlinear causality tests are used to examine the causal linkages across increasingly important international equity and commodity markets. We show that nonlinear causality is more appealing when asymmetric patterns are accounted for. The results are crucial to hedging and portfolio...

This article investigates the potential of nonlinear causal relationships between world oil prices and stock markets in MENA countries during a black swan period that is characterized by rarity and devastating impacts. By using the nonlinear and asymmetric causality test of Kyrtsou and Labys...