I mean, econometrics formulation and estimation and testing and analysis of economic models by using mathematical and statistical methods. The economic model known as the demilitarization of the theory of economic certain to be examined. The classified economic models to graphical models and mathematical models. Static models classified as neglected dimension where time is limited model to describe the relationship between different variables over a period of time, at one of the models of dynamic dimension where time is taken into account and are included in the different variables during different periods.