Discuss national income and Gross domestic product effect on national income. Before we start to explain let’s take a look on closed and open economy In a closed economy, all output is sold domestically, and expenditure is divided into three components: consumption, investment, and government purchases. Y = C + I + G In this equation Y is the total output, C is the total consumption, I is the total investment and G is the total government expenditure. In an open economy, some output is sold domestically and some are exported abroad. Y = C + I + G + NX In the above equation each word stands for is following: Consumption (C) Investment (I) Government Purchases (G) Net Exports (NX) Consumption : The spending by households on goods and services, with the exc...
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