Job P. Migap Federal University of Lafia,Nasarawa State Nigeria   P.M.B.146,Lafia. Lafia, Nasarawa State Nigeria   pristine.job@socsci.fulafia.edu.ng             JEL Areas: Q : Agricultural and Natural Resource Economics N1 : Economic History: Macroeconomics and Monetary Economics; Growth and Fluctuations: General, International, or Comparative