The point at which the equilibrium level of income is determined when the aggregate demand is equal to the total output and the investment is equal to the savings, this phenomenon is known as the income determination. In simpler terms, it depicts the process of the determination of the equilibrium level of income in an economy. The three primary activities involved with it include expenditure, investment, saving, and consumption expenditure.To learn more about income determination, students can visit Vedantu’s study material on Income determination- Ex Ante and Ex-Post for an in-depth and better understanding of the topic.