A multivariate cointegrated modelling approach in testing temporal causality between energy consumption, real income and prices with an application to two Asian LDCs  Authors: Abul M. M. Masih; Rumi Masih
Applied Economics, Volume 30, Issue 10 October 1998 , pages 1287 - 1298
http://www.informaworld.com/smpp/content~db=all?content=10.1080/000368498324904