Moses A. Chiawa Benue State University, Makurdi   Dept of Math/Computer Science Benue State University P.M.B. 102119 Makurdi, Benue Nigeria   abanymoses@yahoo.co.uk   http://www.bsum.edu.ng           JEL Areas: C5 : Econometric Modeling: General C3 : Multiple or Simultaneous Equation Models: General