Monday
Mostly summarized from Gregory Mankiw’s Principles of Economics, 5th Ed. PART 9 The Real Economy in the Long Run Chapter 26 of 36 Saving, Investment, and the Financial System Section 13 of 25 … GDP (Y) consists of four components of expenditure · consumption, C · investment, I · government purchases, G · net exports, NX So, Y = C + I + G + NX … Here we simplify the analysis of GDP by assuming the economy is closed. A closed economy (within one country) does not interact with other economies. It does not -participate in international trade in goods, having no exports nor imports -participate in international borrowing and lending Assuming a closed economy is a useful simplification we can use to learn some lessons that apply to all economies. It can also be considered a model of a completely integrated world economy, with no imports nor exports, as within the U.S. … A closed economy does not have international trade imports and exports are zero, so net exports, NX, are zero. So, in ...