Representing the Countries Credit Ranking Problem with a Simple Weighted Non-Linear Formulation

In this study a non-linear weighted sum model is proposed to rank countries based on economic factors. This ranking problem could be new and useful as most of previous researches rated not them. The are ranked from the best worst one by their score obtained credit point view. As an advantage model, it solvable analytical solution method manually instead using optimization software. for managers decision makers apply easily. compared with Moody’s rating discuss efficiency model.