Ahmad, Y.A. and Faraj, M.M. 2021. Measuring the impact of private investment on GDP in the Kurdistan Region for the period (2006-2016): an analytical standard study. Academic Journal of Nawroz University. 9, 4 (Jan. 2021), 397–410. DOI:https://doi.org/10.25007/ajnu.v9n4a1032.