KIBU2019-07-232019-07-232018-08-07http://erepository.kibu.ac.ke/handle/123456789/1498IAE 485: EconometricenAttribution-NonCommercial-ShareAlike 3.0 United Stateshttp://creativecommons.org/licenses/by-nc-sa/3.0/us/IAE 485EconometricOther