52 страниц. 2014 год. LAP Lambert Academic Publishing The book surveys the effects of privatization on productivity of Tabriz electric power distributional company. Statistical population of this research is the subscriber service units of the Tabriz electric power distributional office.??? In this ,four factors that each constitutes several factors: 1.Post sale services improvement. 2.Energy sale improvement. 3.Reduction of costs. 4.Branch sale increase. that affect productivity are studied and their effects are explored.