Jaafar , Entidhar. 2023. “A Comparative Study Between Seemingly Unrelated Regression Equations (SURE) and the Ordinary Least Squares Method (OLS) in Determining Labor Demand in Iraq for the Years (1990-2020): A Comparative Study Between Seemingly Unrelated Regression Equations (SURE) and the Ordinary Least Squares Method (OLS) in Determining Labor Demand in Iraq for the Years (1990-2020)”. The Gulf Economist 39 (56):37-74. http://tge.uobasrah.edu.iq/index.php/tge/article/view/45.