Manzoor, Davood; Seiflou, Sajjad - In: Iranian Economic Review 16 (2011) 1, pp. 29-51
This study examines the existence of long run relation between crude oil, natural gas and coal prices. Energy data for US is used and Based on the result of The Augmented Dickey-Fuller (ADF) tests, autoregressive distributed lag (ARDL) approach is adapted to cointegration analysis. Underlying...