Macroeconomics Final Exam Vocabulary – Flashcards
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Self-regulating economy
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problems are resolved without government intervention
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Keynesian economics
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economic slumps are caused by inadequate spending and can be mitigated by government intervention
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Monetary Policy
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type of stabilization policy that changes quantity of money to alter interest rates, which affects overall spending
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Fiscal Policy
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type of stabilization policy that changes government spending and taxes to affect overall spending
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Business Cycle
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short-run alternation between economic downturns and upturns
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Depression
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very deep and prolonged downturn
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Recessions
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periods of downturns when output and employment are falling
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Expansions (recoveries)
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periods of upturns when output and employment are rising
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Business-cycle peak
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point at which the economy turns from expansion to recession
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Business-cycle trough
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where economy turns from recession to expansion
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Long-run economic growth
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the sustained rise in the quantity of goods and services the economy produces
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Trade deficit
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value of goods bought is greater than goods sold
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Trade surplus
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value of goods bought is less than goods sold
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Paradox of Thrift
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when a recession occurs people stop spending money because they think that will help, but they actually hurt the economy even worse
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Disposable income
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an individual's income after taxes and transfers
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Gross Domestic Product (GDP)
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the total value of all final goods and services produced in an economy
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Final goods and services
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sold to the end user
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Intermediate goods and services
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are inputs for production of final goods
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Aggregate spending
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the sum of consumer spending, investment spending, government purchases of goods and services, and exports minus imports. GDP = C + I + G + (X - IM)
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Private Savings
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disposable income minus consumer spending
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Value added
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the difference between the value of its sales and the value of intermediate goods and services it purchases from other businesses (bonds, transfers not counted)
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National Accounts
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keep track of the flows of money between different parts of the economy
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Real GDP
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the total value of final goods and services produced in the economy during a given year, calculated using the prices of a selected base year = Nominal GDP(year x) * (GDP Deflator-base year)/(GDB Deflator-year x)
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Nominal GDP
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the value of all final goods and services produced in the economy during a given year, calculated using the current years prices
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Chained Dollars
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method of calculating GDP by averaging the use of year 1 for both and using year 2 for both times
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GDP per capita
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average GDP per person
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Aggregate Price Level
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measure of the overall level of prices in the economy
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Market Basket
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what economists calculate to measure the aggregate price level
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Price Index
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the ratio of current cost of the market basket to the cost in a base year = Cost of market basket in a given year/Cost of market basket in base year * 100
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Inflation Rate
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yearly percentage change in a price index (based on Consumer Price Index- most common measure of aggregate price level) = Price index for year 2 - year 1/Price index for year 1 * 100
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Producer Price Index
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measures changes in the prices of goods purchased by producers
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GDP deflator
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100 times the ratio of nominal GDP to real GDP in that year- the higher the number the higher the price level = Nominal GDP/Real GDP * 100
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Unemployment
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total number of people looking for work but aren't currently employed. Unemployment rate = Unemployed/Labor force * 100
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Labor Force
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sum of employment and unemployment
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Labor Force participation rate
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labor force/population age 16+ *100
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Discouraged Workers
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given up looking for a job, but want a job- haven't looked recently and aren't in the labor force
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Marginally attached workers
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want to work, have looked recently but aren't looking now- not in labor force
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Underemployed
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people with part-time jobs that want full-time positions
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Jobless Recovery
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real GDP is growing at a below-average rate and unemployment is rising
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Frictional Unemployment
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unemployment due to the time that workers spend in the job search
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Structural Unemployment
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unemployment that results when there are more people seeking jobs in one field than there are jobs at current wage
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Natural rate of unemployment
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the unemployment rate that arises from the effects of frictional plus structural unemployment
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Cyclical Unemployment
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the difference between the actual and natural rates of unemployment- caused by recession
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Natural unemployment
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= Frictional unemployment + Structural unemployment
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Actual unemployment
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= natural unemployment + cyclical unemployment
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Real Wage
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= Wage Rate/Price Level
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Real Income
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= Income/Price Level
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Shoe-leather costs
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increased costs of transactions caused by inflation- high inflation rates discourage people from holding money, the wear and tear on shoes from running around when people try to avoid holding money
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Menu cost
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is the real cost of changing a listed price- workers spend time changing prices in the store- less important with technology advances
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Unit-of-account costs
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arise from the way inflation makes money a less reliable unit of measurement- buying land for 100,000 and selling it for 110,000 and the inflation rate is 10%, no profit but US tax law would say profit was made
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Nominal Interest Rate
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interest rate expressed in dollar terms = Real Interest + Inflation
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Real interest rate
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nominal interest rate minus inflation
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Disflation
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process of bringing the inflation rate down
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Rule of 70
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how long real GDP per capita takes to takes to double = 70/Annual Growth Rate
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Labor Productivity
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the output per worker or per hour = Real GDP/# of Workers
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Physical capital
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human-made resources like machinery, buildings, and investments
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Human capital
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improvement in labor because of education and knowledge advances
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Aggregate production function
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hypothetical function that shows how productivity (real GDP per worker) depends on quantities of physical capital, human capital, and the state of technology- exhibits diminishing returns to physical capital = T x (Physical capital per worker) ^0.4 x (Human capital per worker) ^0.6
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GDP growth rate
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= final/original - 1
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Growth Accounting
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estimates the contribution of each major factor in the aggregate production function to economic growth
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Total factor productivity
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the amount of output that can be achieved with a given amount of factor inputs
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Research and Development (R&D)
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spending to create new technologies and apply them to practical use
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Externality
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a cost that firms and individuals impose on others without having to provide compensation
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Budget Surplus
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government collects more tax revenue than it spends
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Budget Deficit
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government spends more than it collects in taxes
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Budget balance
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S(government) = Taxes- Government Spending - Transfers
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National Savings
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the sum of private savings plus the budget balance, is the total amount of savings generated within the economy
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Capital inflow
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the net inflow of funds into a country
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Investment spending (closed economy)
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= National Savings
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Investment spending (open economy)
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= National Savings + Capital inflow
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Loanable Funds Market
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hypothetical market that examines the market outcome of the demand for funds generated by borrowers and the supply of funds supplied by lenders
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Rate of return
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(revenue from project - cost of project)/cost of project *100
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Crowding out
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occurs when a government deficit drives up the interest rate leading to reduced investment spending
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Nominal interest rate
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= real interest rate + inflation
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Fisher effect
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an increase in expected future inflation drives up the nominal interest rate, leaving the expect real interest rate unchanged (both curves on loanable funds market graph shift up)
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Present Value
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= FV (1+r)
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Wealth
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value of accumulated savings
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Financial asset
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paper claim that entitles the buy to future income from the seller
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Physical asset
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a claim on a tangible object that gives the owner the right to dispose of the object as he or she wishes
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Liability
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requirement to pay income in the future
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Transaction costs
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expense of negotiating and executing a deal
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Financial risk
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uncertainty about future outcomes that involve financial gains or losses
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Loan
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lending agreement between a particular lender and a particular borrower
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Default
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when a borrower fails to make payments
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Loan-backed security
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asset created by pooling individual loans and selling shares in that pool
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Financial intermediary
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an institution that transforms funds it gathers to financial assets
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Mutual fund
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intermediary that creates a stock portfolio and then resells shares of this portfolio to individual investors
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Pension fund
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mutual fund that holds assets in order to provide retirement income to its members
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Bank deposit
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a claim on a bank that obliges the bank to give the depositor cash when demanded
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Efficient markets hypothesis
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prices of financial assets embody all publicly available information
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Random Walk
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fluctuations in markets are unpredictable
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Planned Aggregate Spending (AE)
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= A +MPC (YD) + I(planned) = C + I(planned)
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GDP
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= AEplanned + I(unplanned) = C + I(planned) + I(unplanned)
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Change in Y (GDP)
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= 1/(1-MPC) x Change in AAS
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Marginal Propensity to Consume (MPC)
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the increase in consumer spending when disposable income rises by $1
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Marginal Propensity to Save (MPS)
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the increase in household savings when disposable income rises by $1
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Autonomous change in aggregate spending (AAS)
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initial change in the desired level of spending by firms, households, or government at a given level of real GDP
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Multiplier
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ratio of the total change in real GDP = 1/(1-MPC) = (Change in Y(GDP))/(Change in Autonomous change in aggregate spending)
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Consumption function
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an equation showing how an individual household's consumer spending varies with the household's current disposable income
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Aggregate consumption function
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relationship for the economy as a whole between aggregate current disposable income and aggregate consumer spending
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Planned investment spending
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the investment spending that businesses intend to undertake
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Accelerator Principle
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a higher growth rate of real GDP leads to higher planned investment spending, but a lower growth rate of real GDP leads to lower planned investment spending
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Inventories
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stocks of goods held to satisfy future sales
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Inventory investment
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value of the change in total inventories held in the economy
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Unplanned inventory
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actual sales are more or less than businesses expected, leading to unplanned changes in inventories
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Actual investment spending
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= I(planned) + I(unplanned)
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Income-expenditure equilibrium
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when aggregate output is equal to planned aggregate spending
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Income-expenditure equilibrium GDP
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level of real GDP at which GDP equals planned aggregate spending
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Keynesian Cross
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identifies income-expenditure equilibrium as the point where planned aggregate spending line crosses the 45-degree line
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Aggregate Demand Curve
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shows the relationship between the aggregate price level and the quantity of aggregate output demanded by households, businesses, the government and the rest of the world
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Wealth effect
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the effect on consumer spending caused by the effect of a change in aggregate price level on the purchasing power of consumers' assets
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Interest rate effect
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effect on consumer spending and investment spending caused by the effect of a change in the aggregate price level on the purchasing power of consumers' and firms' money holdings
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Aggregate Supply Curve
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shows the relationship between the aggregate price level and the quantity of aggregate output supplied in the economy
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Nominal wage
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the dollar amount of the wage paid
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Sticky wages
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nominal wages that are slow to fall even in the face of high unemployment and slow to rise during labor shortages
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Long-run aggregate supply curve
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shows the relationship between the aggregate price level and the quantity of aggregate output supplied that would exist if all prices were fully flexible
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Potential output
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the level of real GDP the economy would produce if all prices were fully flexible
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Automatic stabilizers
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rules that cause fiscal policy to be expansionary when the economy contracts and contractionary when the economy expands
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Discretionary fiscal policy
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policy that is the result of deliberate actions by policy makers
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Medium of exchange
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an asset that individuals acquire for the purpose of trading rather than for their own consumption
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Store of value
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holding purchasing power over time
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Monetary aggregate
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an overall measure of the money supply, like M1 and M2
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Near-moneys
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financial assets that cannot be directly used as a medium of exchange but can readily be converted into cash
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Discount Window
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an arrangement where the Federal Reserve lends money to banks in trouble
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Money multiplier
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the ratio of money supply to the monetary base
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Federal funds market
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allows banks to fall short of the reserve requirement to borrow funds from banks with excess reserves
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Federal funds rate
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the interest rate determined in the federal funds market
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Open-market operation
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purchase or sale of government debt by the Fed, this is most used when dealing with monetary policy
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Commercial bank
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accepts deposits and is covered by deposit insurance
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Investment bank
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trades in financial assets (stocks and bonds) and is not covered by insurance because this activity is more risky
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Active Stabilization Policy
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the use of government policy to reduce the severity of recessions and rein in excessively strong expansions
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Multiplier effect of changes in Government Spending
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1/(1-MPC) *Change
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Multiplier effect of changes in Taxes and Transfers
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MPC/(1-MPC) *Change
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Cyclically adjusted budget balance
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estimate of what the budget balance would be if real GDP were exactly equal to potential GDP
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Public Debt
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government debt held by individuals and institutions outside the government
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Money
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asset that can easily be used to purchase goods and services
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Fiat money
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medium of exchange whose value derives entirely from its official status as a means of payment
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M1
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currency in circulation, travelers checks, checkable bank deposits
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Bank Reserves
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currency banks hold in vaults plus deposits at the Federal Reserve
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Reserve Requirements
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rules set by the Federal Reserve that determine the minimum reserve ratio for a bank
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Discount rate
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the rate of interest the Fed charges on loans to banks
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Short-run macroeconomic equilibrium
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the point at which the quantity of aggregate output supplied is equal to the quantity demanded by domestic households, businesses, the government and the rest of the world
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Demand Shock
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an event that shifts the aggregate demand curve caused by things like changes in expectations or wealth, the effect of the size of existing stock of physical capital, or the use of fiscal or monetary policy. Cause price level and output to move in same direction
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Supply Shock
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an event that shifts the SRAS curve caused by things like commodity prices, nominal wages, or productivity. Cause price level and output to move in opposite directions
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Stagflation
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the combination of a decrease in output and an increase in aggregate price level
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Long-run macroeconomic equilibrium
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when the point of short-run macroeconomic equilibrium is on the long-run aggregate supply curve
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Output Gap
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the percentage difference between actual aggregate output and potential output = Actual Aggregate output - Potential output/Potential output
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Social Insurance
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government programs that are intended to protect families against economic hardships
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Expansionary Fiscal Policy
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fiscal policy that increases aggregate demand- make budget surpluses smaller and deficits bigger- takes on three forms: - Increase in government purchases - Tax Cuts - Increase in transfers
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Contractionary Fiscal Policy
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fiscal policy that decreases aggregate demand, make budget surpluses bigger and deficits smaller- takes on three forms: - Decrease in government purchases - Increase in taxes - Decrease in transfers
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Lump-Sum taxes
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taxes that don't depend on the taxpayer's income- This helps so keep the size of the multiplier the same
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Fiscal Years
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basis for how U.S. government budget is calculated- runs from October 1 to September 30
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Debt-GDP ratio
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shows the ability of governments to pay off their debt
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Implicit Liabilities
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spending promises made by government that are effectively a debt despite the fact that they aren't included in usual debt statistics- like social security, Medicare, and Medicaid
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Currency in circulation
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cash held by the public
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Checkable bank deposits
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bank accounts on which people can write checks
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Money supply
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total value of financial assets in the economy that are considered money (currency in circulation, traveler's checks, and checkable bank deposits)
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Unit of account
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a measure used to set prices and make economic calculations
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Commodity money
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a good used as a medium of exchange that has other uses
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Commodity-back money
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a medium of exchange with no intrinsic value whose ultimate value is guaranteed by a promise that it can be converted into valuable goods, like a bond or note
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M2
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includes M1, near moneys like money-market funds (CDs), time deposits, and savings deposits
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Reserve Ratio
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the fraction of bank deposits that a bank holds has reserves
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T-account
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a tool for analyzing a business' financial position by showing the business' assets and liabilities - Assets- reserves, loans, bonds - Liabilities- deposits it holds For Federal Reserve: -Assets- Government Debt (T-Bills) -Liabilities- Monetary Base
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Bank Run
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many bank depositors try to withdraw their funds due to fear of bank failure
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Deposit insurance
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guarantees that depositors will get paid back even if the bank cannot come up with the funding, most banks are part of the FDIC
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Capital requirements
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requirement that owners of banks hold substantially more assets than the value of bank deposits- used to reduce the incentive for excessive risk taking
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Excess reserves
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anything left in reserves that is more than the requirement =Amount/Reserve Ratio
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Monetary base
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sum of currency in circulation and bank reserves
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Central bank
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institution that oversees and regulates the banking system and controls the monetary base, like the Federal Reserve (two parts): - The Board of Governors- 7 members, appointed by President, serve 14 years - 12 Regional Federal Reserve Banks the provide banking and supervisory services to commercial banks - Chairman of Fed serves for 4 years
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Leverage
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financing investments with borrowed funds
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Balance sheet effect
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reduction in a firm's net worth due to falling asset prices
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Vicious cycle of deleveraging
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asset prices fall → creditors want loans back → leads to more sale of assets to repay loans → leads to defaults, more prices declines, and more creditors wanting loans back
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Subprime lending
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loaning to people who don't meet the usual criteria for borrowing and for being able to afford their payments
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Securitization
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process of assembling pools of loans and selling shares from these pools
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Short-term interest rates
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rates on financial assets that mature within less than a year
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Long-term interest rates
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rates on financial assets that mature a number of years into the future
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Money demand curve (MD)
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shows the relationship between the interest rate and the quantity of money demanded
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Liquidity preference model of the interest rate
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the rate is determined by the supply and demand for money
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Money supply curve
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shows how the quantity of money supplied varies with the interest rate
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Expansionary monetary policy
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monetary policy that increases aggregate demand
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Contractionary monetary policy
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monetary policy that decreases aggregate demand
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Taylor rule for monetary policy
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a rule that sets the federal funds rate according to the level of the inflation rate and either the output gap or the unemployment rate
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Inflation targeting
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when the central bank sets an explicit target for the inflation rate and sets monetary policy in order to hit that target
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Zero lower bound for interest rates
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sets limits to the power of monetary policy- interest rates cant fall below zero
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Monetary Neutrality
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changes in the money supply have no real effects on the economy