EC140 Lecture Notes - Lecture 20: Gross Domestic Product, Counting Measure, Retained Earnings
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Gdp is total producion in a country. If all producion was sold and consumed, gdp would be easy to measure. Outputs of one company are inputs to another. Measuring value output counts some output more than once. Measuring gdp is about measuring inal producion. To avoid double couning- measure value added by all irms. Value added is sales revenue- cost of intermediate goods. Value added is equal to wages paid to workers plus proits paid to owners. Total value added is a measure of total output. Gdp is the total value of inal goods and services produced. Equals the value of expenditure on output. Also equals the income generated by producing that output. Producion, expenditure, and income are all equal by deiniion. Consumpion expenditure: goods and services sold to inal users. Investment expenditure: goods not for current consumpion, inventory, plant/equipment, housing. Government purchases: current expenditure, government investment. Net exports: total exports minus total imports, count goods and services.