Econometric Model for Estimating the Keynesian Consumption Function in Sudan during the period 1990-2019

This paper aimed to estimate the consumption function in the Sudan. The problem of the paper was formulatedon the following main question; what were the factors that affects inconsumption function in Sudan. The paperwas used the descriptive and analytical approach's. The most important hypotheses of the paper there was a positive relationship between income and consumption, and the existence of an inverse relationship between inflation and the exchange rate. Thepaper reached that wasa positive relationship between consumption and income, and therewasa negative relationship between inflation and exchange rate. The paper recommends using economic policies to raise awareness for lower-income consumers in order to improve their behavior to maximize consumption.