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AP Macroeconomics

AP Macroeconomics

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AP Macroeconomics

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  1. AP Macroeconomics Gross Domestic Product

  2. Gross Domestic Product (GDP) • GDP is the market value of all final goods and services produced within a nation in a year. 2013 year total: USA..16.8T; CHINA..? • Per capita GDP: USA..$53,100; CHINA..? • GDP measures Aggregate Spending, Income and Output. 9.2T….$6800 http://data.worldbank.org/indicator/NY.GDP.PCAP.CD

  3. Counted or Not Counted? • GDP counts all final, domestic production for which there is a market transaction in that year. • Used and intermediate goods are not counted in order to avoid double-counting. • Non-market production is not counted. • Underground or ‘black market’ activity is not counted.

  4. Counted or Not Counted? • Which of the following are counted or not counted in U.S. GDP and why? • New U.S. manufactured Goodyear tire sold to the General Motors Corporation • New U.S. manufactured Goodyear tire sold to Coach Brown • Child care services provided by my daughter for the neighbor’s kid • Senior ring and Graduation announcements from Herff Jones • A new Boeing 787 • New Tundra pick-up truck manufactured in San Antonio by Japanese firm Toyota.

  5. Aggregate Spending Model • GDP = C + IG + G + XN IMPORTANT! • C = Consumption • IG = Gross Private Investment • G = Government Spending • XN= Net Exports = Exports (X) – Imports (M)

  6. Consumption • Consumer spending on • Durable goods (cars, appliances…) expected to last years • Non-durable goods (food, clothing…) • Services (plumbing, college…) • Consumer spending is the largest component of U.S. GDP.

  7. Gross Private Investment • Spending in order to increase future output or productivity…basically increasing capital goods • Business spending on capital..i.e. maintenance or upgrading current machinery • New construction • Change in unsold inventories…built in previous year but not sold…..will sell eventually, therefore while on shelf it is considered Ig.

  8. Government Spending • All levels of government spending on final goods and services and infrastructure? count toward GDP. • Government transfer payments do not count toward GDP. Why, would you guess? • No production is going on in exchange for payments. Examples?

  9. Net Exports • Exports – Imports …X – M • Exports create a flow of money to the United States in exchange for domestic production. Billy Bob like?...degreed professionals, industries, military goods.. • Imports create a flow of money away from the United States in exchange for foreign production. Billy Bob NOT like? So why do we buy “foreign” goods?

  10. Nominal v. Real GDP • Nominal GDP is current GDP measured at current market prices • Nominal GDP may overstate the value of production because of the effects of inflation • Real GDP is current GDP measured with a fixed dollar • Real GDP holds the value of the dollar constant and is useful for making year to year comparisons • Real GDP is the IMPORTANT ONE!!! • https://www.youtube.com/watch?v=iV4DS9aAQqM

  11. Changes in GDP • GDP is a measure of a nation’s prosperity and economic growth….Why? • As GDP grows the burden of scarcity is lessened for a society….Why? • GDP per capita provides a better measure of individual well-being than GDP..explain

  12. The Business Cycle The United States’ GDP is not constant from year to year. Why? Instead, the GDP grows most years and then shrinks in some years. The ups and downs in GDP over time are referred to as the business cycle. Prepare to draw

  13. The Business Cycle Illustrated: 4-5% NRU >4-5% NRU

  14. The Business Cycle Illustrated: Peak temporary maximum in Real GDP. At this point the unemployment rate (u%) is probably below the natural rate of unemployment, and the inflation rate (π%) is probably increasing. Recession The contractionary phase of the business cycle. A period of decline in Real GDP accompanied by an increase in u%. To be classified as a recession, the economic decline must be at least 6 months long. Trough The bottom of the business cycle. The u% is probably high and π% is probably low. Recovery The phase of the business cycle where the economy is returning to full employment.

  15. The Business Cycle Illustrated: The various phases of the business cycle last for different amounts of time. According to economists, since 1854, the U.S. has encountered 32 cycles of expansions and contractions, with an average of 17 months of contraction and 38 months of expansion. However, since 1980 there have been only eight periods of negative economic growth over one fiscal quarter or more, and four periods considered recessions: July 1981 – November 1982: 14 months July 1990 – March 1991: 8 months March 2001 – November 2001: 8 months December 2007 – June 2009: 18 months

  16. The Business Cycle Illustrated: Causes Irregularity of Investment : Ig Changes in productivity GDPr increases or decreases Changes in total spending (aggregate demand) C + Ig + G + Xn Durable goods manufacturing is most susceptible to the effects of the business cycle….examples? Business cycle has become less severe because of technological advancements in supply-chain management and structural changes in U.S. economy. https://www.youtube.com/watch?v=O-M6ZK93LnM