The purpose of this paper is to analyze the dynamics of crude oil prices of OPEC and non-OPEC countries using threshold cointegration. To capture the long run asymmetric price transmission mechanism, we develop an error correction model within a threshold cointegration and CGARCH errors...

The aim of the paper is to test the Marshall-Lerner-Robinson condition by using the unit-root test of Ng-Perron (2001) and cointegration test of Perron-Rodriguez (2001). These tests are based on procedures for removing the trend using the GLS, leading to remove no-stochastic components. By...

The aim of this paper is to determine stable long-run relationships between investment, trade balance and cash-flow variables using Sectorial level of Morocco economy, in addition to the direction of the causality between them. Such relations are deduced using Granger causality, Johansen...