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Sunk Cost
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a cost that has already been paid and cannot be recovered (economists correctly avoid it when making other decisions)
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comparative advantage
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the ability to produce a good at a lower opportunity cost than another producer
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absolute advantage
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the ability to produce a good using fewer inputs than another producer
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linear graphs for production possibilities
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constant opportunity cost
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market system
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households and firms make all economic decisions with minimal government regulation (Adam Smith "Invisible Hand")
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market economy weakness
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-income is distributed unequally
(prices are determined by supply and demand, so people with skills in high demand usually earn more than people with skills in low demand)
(prices are determined by supply and demand, so people with skills in high demand usually earn more than people with skills in low demand)
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command economy
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An economic system in which the government controls a country's economy.
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command economy weaknesses
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- persistant shortages and surpluses
- many goods are available only through the black market
- many goods are available only through the black market
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traditional economy
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An economy in which production is based on customs and traditions and economic roles are typically passed down from one generation to the next.
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traditional economy weaknesses
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- economy has a low growth rate
(but more equal distribute of wealth)
(but more equal distribute of wealth)
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stock variables
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measured at a point in time (quantity of money, value of houses, capital stock)
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flow variable
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a measure of something over an interval of time, such as your spending per week
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leading economic indicators
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Variables that predict, or lead to, a recession or recovery; examples include consumer confidence, stock market prices, business investment, and big-ticket purchases, such automobiles and homes
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Coincident Economic Indicators
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Variables that reflect peaks and troughs in economic activity as they occur; examples include employment, personal income, and industrial production
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Lagging Economic Indicators
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variables that follow, or trail, changes in overall economic activity; examples include the interest rate and the average duration of unemployment
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vertical axis of aggregated demand and supple curve measures
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an economy's price level (price index; compare it to last years price level)
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supply side policy:
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- increases tax cut
- increases the supply of labor
- increases aggregated supply
- real GDP increases and price level decreases
- increases the supply of labor
- increases aggregated supply
- real GDP increases and price level decreases
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Keynesian economics
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- increases tax cut
- increases consumption spending
- increases aggregated demand
- real GDP increases and price level increases
- increases consumption spending
- increases aggregated demand
- real GDP increases and price level increases
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Gross Domestic Product (GDP)
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The Market Value of all final goods and services produced by resources in the Unites States in a given period of time, such as a year or a quarter
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Graincorp, a U.S. agricultural company, produces corn syrup at a plant in Iowa on September 19, 2017. It sells the corn syrup to Crunchy's for use in the production of cereal that will be made in the United States in 2017
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Not included in GDP because the corn syrup is an intermediate good. The cost of the corn syrup will be included in the cost of the cereal, which is a final good and included in GDP.
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An accountant starts a client's 2017 tax return on April 14, 2018, finishing it just before midnight on April 15, 2018.
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Not included. Because the accountant provides her services during 2018, the value of those services will be included in 2018 GDP, not 2017 GDP.
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Consumption
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consists of expenditures by individuals on goods and services, such as the new video camera made in the United States that Deborah buys and the sweater that Carlos buys
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Investment
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consists of spending on capital goods, household purchases of new housing, and (net) additions to inventories. Because Felix uses the tools in his plumbing business, that purchase is considered an investment.
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government purchases
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consist of any purchase by a state, local, or federal government. Therefore, when the state of Pennsylvania repaves highway PA 320, that is considered part of government purchases.
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New exports =
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Exports - Imports
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GDP=
(expenditure approach)
(expenditure approach)
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Consumption + Investment + Government Expenditures + Net Exports
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Expenditure Approach to GDP
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computes the value of production by adding amounts spent on final goods and services by consumers, firms, and the government, then accounting for differences between exports and imports generated by trade with the rest of the world.
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Income approach to GDP
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a method of calculating GDP by adding all payments for resources used to produce output in the nation during the year
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1. Manuel pays Better Buy $1,100 to for a new high-definition television (HDTV) and its installation. He's attracted by Better Buy's guarantee that he'll be happy with the new HDTV, or he'll get his money back.
2. Better Buy pays Firedog $750 to install the HDTV.
3. Firedog buys hardware worth $100 from The Home Station.
which is included in calculating GDP using the expericure approach?
2. Better Buy pays Firedog $750 to install the HDTV.
3. Firedog buys hardware worth $100 from The Home Station.
which is included in calculating GDP using the expericure approach?
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1. The only final good is the HDTV
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The contribution to GDP that you found using the expenditure approach corresponds to the sum of the_______________ at each stage of production.
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value added
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aggregated demand
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the sum of consumption, investment, and government purchases, adjusted for net exports.
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national income
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is divided into income accruing to households (disposable income) and to the government (net taxes).
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the income and expenditure approaches to measuring GDP can be combined to form the
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circular flow model
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Injections in the circular flow
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government spending, investment, exports
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Leakages (CIRCULAR FLOW OF INCOME)
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savings, taxes, imports
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domestic product
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is defined as the sum of consumption, investment, and government purchases, adjusted for net exports.
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disposal income
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amount of money that consumers earn after paying taxes and receiving transfers. All of that money must go to either consumption or saving.
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GDP does not include:
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quality, air + pollution, and household production (doing your own laundry)
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GDP does include
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value of foreign components of US made goods (The components of an MP3 player that are produced in China)
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price index
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a number that compares prices in one year with some earlier base year
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Why do price indexes such as CSPI overstate inflation?
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it assumes that the quality doesn't change from year to year, that if the price of (textbooks)increases people buy used or choose to not buy any, and it doesnt account for new items on the market that consumers want to include.
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GDP deflator
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a measure of the price level, calculated by dividing nominal GDP(current prices) by real GDP (value of all goods and services produced in the economy*using base year prices) base year prices) and multiplying by 100
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CPI (Consumer Price Index)
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reflects only prices of all goods and services bought by the typical consumer
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A decrease in the price of a Chinese-made car that is popular among U.S. consumers
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shows up in consumer price index because its bought by a typical consumers
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Income Approach to GDP
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depreciation + indirect business taxes + employee compensation + proprietors income + corporate profits + net interest + rental income
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national income (GDP)
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GDP - depreciation
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personal income (GDP)
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national income + transfer payments and other income
- corporate profits and FICA contributions
- corporate profits and FICA contributions