Hubbard Macroeconomics Final – Flashcards

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Expansionary Monetary Policy
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The Federal Reserve's policy of decreasing interest rates and increasing money supply to increase real GDP
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Contractionary Monetary Policy
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The Federal Reserve's policy of increasing interest rates to reduce inflation
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Can the Fed eliminate recessions?
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There is a lag between when a monetary policy is implemented and when the effects reach households and firms. Implementing a policy too late could destabilize the economy. Since a typical recession lasts less than a year, the Fed does not want to engage in procyclical policy- they want to do the reverse which is to decrease the severity of the business cycle. Implemenitng expansionary monetary policy may actually hurt the economy.
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Timeline of expansionary monetary policy
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FOMC orders expansion--> money supply increases, interest rates fall --> investment, consumption, nx increase--> AD curve shifts right--> Real GDP and price level rise
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Timeline of contractionary monetary policy
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FOMC orders contraction--> money supply decreases, interest rates rise--> investment, consumption, nx decrease--> AD curve shifts left--> Real GDP and price level fall, unemployment rises
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Taylor Rule
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Links Fed's target for the federal funds rate to economic variables
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Taylor Rule Equation
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Federal Funds Rate= inflation + equilibrium + .5(inflation gap) + .5 (output gap)
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Inflation Targeting
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Framework for conducting monetary policy that involves the central bank announcing its target level of inflation
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Fiscal Policy
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Changes in federal taxes and purchases to achieve macroeconomic policy goals
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Monetary Policy
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The actions the federal reserve makes to manage money supply and interest rates
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Automatic Stabilizers
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Gov't spending and taxes that automatically increase or decrease with business cycle
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Crowding Out Effect
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Increase in gov't purchases increases federal debt--initial increase in AD, then interest rates rise which reduces consumption--shift left
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Multiplier Effect
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When gov't purchases, AD can be amplified by increased consumer spending
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Expansionary Fiscal Policy
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increasing gov't purchases or decreasing taxes (AD Curve shifts right)
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Contractionary Fiscal Policy
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decreasing gov't purchases or increasing taxes (AD Curve shifts left)
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Why would the gov't use contractionary fiscal policy?
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To reduce AD that could potentially lead to inflation, or bring Real GDP back to potential GDP
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How the gov't increases the money supply in monetary policy
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Order gov't purchase of U.S. Treasury Securities
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Federal Funds Rate
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The interest rate banks charge each other for overnight loans. Determined by the supply and demand of reserve
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Inflation Targeting
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A framework for conducting monetary policy that involves the central bank announcing its target level of inflation
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Budget Deficit
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The situation in which the government's expenditures are greater than its tax revenue
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Budget Surplus
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The situation in which the government's expenditures are less than tax revenue
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Philips Curve
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A graph showing the short-term relationship between unemployment and inflation
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Structural Relationships
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A relationship that depends on the basic behavior of consumers and firms and that remains unchanged over long periods
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Natural Rate of Unemployment
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The unemployment rate that exists when the economy is at potential GDP (5%)
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Long-Run Philips Curve
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Vertical, no trade off between inflation and unemployment
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Nonaccelerating Inflation Rate of Unemployment
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The unemployment rate at which the inflation rate has no tendency to increase or decrease
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Rational Expectations
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Expectations formed by using all available information about an economic variable
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Real Business Cycle Models
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Models that focus on real rather than monetary explanations of fluctuations in real GDP
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Disinflation
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Significant Reduction in the inflation rate
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Too-Big-to-Fail
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A policy under which the federal gov't does not allow large financial firms to fail, for fear of damaging the financial system
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What are the four components of GDP?
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Consumption, investment, government purchases, and net exports
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Aggregate Demand Curve
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Relationship between price level and quantity of real GDP demanded
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Short-Run Aggregate Supply Curve
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Short-term relationship between price level and quantity of real GDP supplied by firms
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Price Level
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Measure of the average prices of goods and services in the economy
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Inflation Rate
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% increase in price level from one year to the next
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Consumer Price Index (CPI)
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Measure of change overtime in prices a typical urban family pays
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CPI Formula
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Expenditures current/ expenditures base x 100 **Use base-year quantity
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Inflation rate from CPI
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Change in CPI-- (current-base)/base
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Four reasons CPI overstates inflation
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1. Substitution Bias 2. Increase in Quality Bias 3. New Product Bias 4. Outlet Bias
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Nominal Interest Rate
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The stated interest rate on a loan
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Real Interest Rate
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The nominal interest rate - inflation rate
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Rule of 70
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# of years Real GDP per capita to double = 70/growth rate
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Labor Productivity
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The quantity of goods and services produced by one worker or one hour of work
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Factors that determine labor productivity
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1. Quantity of capital per hour worked 2. Level of technology
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Capital
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Manufactured goods that are used to produce other goods and services
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Potential GDP
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The level of real GDP attained when all firms are producing at capacity
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Financial System
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The system of financial markets and financial intermediaries through which firms acquire funds from households
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Financial Markets
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Financial securities, for example stocks and bonds, are bought and sold
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Financial Intermediaries
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Firms, like banks, mutual funds, pension funds, and insurance companies, that borrow funds from savers and lend them to borrowers
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Equation for GDP
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Y= C + I + G + NX
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Three Main Sources of Technological Change
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1. Better machinery and equipment 2. Increases in human capital (knowledge and skills) 3. Better means of organizing and managing production
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Per-Worker Production Function
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Relationship between Real GDP per hour worked and capital per hour worked, holding technology constant
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New Growth Theory
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Technological change is influenced by economic incentives and so is determined by the working of the market system
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Wealth Effect
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Effect of price level on consumption
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Interest- Rate Effect
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Higher price levels increase interest rate and and reduce investment, therefore reducing quantity demanded
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International Trade Effect
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Effect of price level on net exports
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Long-Run Aggregate Supply Curve
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Shows the relationship between price level and quantity of real GDP supplied overtime
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Supply Shock
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An unexpected event that causes the short-run aggregate supply curve to shift
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Stagflation
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A combination of inflation and recession, usually resulting from a supply shock
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What causes LRAS to shift to the right?
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Increases in labor force and capital stock cause LRAS to shift...
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Four functions of money
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1. Medium of exchange 2. Unit of account 3. Store of value 4. Standard deferred payment
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M1
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1. Sum of currency in circulation 2. Checking account deposits in banks 3. Holdings of traveler's checks
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M2
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1. Savings account deposits 2. Small denomination time deposits 3. Balances in money markets 4. Market funds shares
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Reserves
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Deposits that a bank keeps in cash in its vault or on deposit with the federal reserve
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Required Reserves
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the amount of reserves a bank is required to keep, based on checking account deposits
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Discount loans
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Loans the Federal Reserve makes to banks
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Monetary Policy
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Manage money supply and interest rates to pursue macroeconomic policy goals
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Three ways to implement monetary policy
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1. Open Market Operations 2. Discount Policy 3. Reserve Requirements
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Open Market Operations
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Buying and selling of U.S. Treasury Securities to increase money supply
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Discount Policy
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Lowering discount rate makes banks more willing to take additional loans and therefore increase reserves
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Reserve Requirements
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Reducing federal reserve ratio- rare because it disrupts the activities of banks
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Quantity Theory of Money
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M x V = P x Y money supply times velocity of money equals price level (inflation) times real GDP
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Using Quantity Theory of Money to find inflation
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inflation rate = growth rate of money supply - growth rate of real output (if velocity is constant
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Frictional Unemployment
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Short-term unemployment that arises from the process of matching workers with jobs
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Structural Unemployment
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Unemployment that arises from persistent mismatch between the skills of workers and the requirements of jobs (for example manual jobs--> tech jobs
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Cyclical Unemployment
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Unemployment caused by a business cycle recession
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GDP Deflator Formula
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nominal/real x100
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Unemployment Rate
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# unemployed/ # in labor force
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Problems with unemployment
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1. Unemployed vs not in labor force 2. Discouraged workers not considered unemployed
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Property rights
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Government aids economic growth by protecting contracts between private individuals--development of financial system
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S(private)
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Y+TR-C-T (TR= transfer payments, T= taxes)
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S(public)
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T-G-TR
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S= S(private) + S(public)
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S= Y-C-G or S= I
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Market for Loanable Funds
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The interaction between borrowers and lenders that determines the market interest rate and the quantity of loanable funds exchanged
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Inflation Rate from Quantity Theory of Money
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inflation rate = %ΔM - %ΔY
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Deadweight loss
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Reduction of economic surplus resulting from market not being at equilibrium
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Price ceiling
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Legally determined maximum price (always set below equilibrium)
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Price floor
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Legally determined minimum price (always set above equilibrium)
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Law of Comparative Advantage
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The ability of an individual, firm, or country to produce a good at a lower opportunity cost than competitors
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Absolute Advantage
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The ability of an individual, firm, or country to produce more of a good with the same available resources
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Free Market
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A market with few government restrictions on how a good or service can be produced or sold or how a factor of production can be employed
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Schumpeter
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The key to rising living standards is creating new products--to revolutionize patterns of production
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Marx Theory
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Labor is imperative in the development of an economy--he believed capitalism was unstable--wrong
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Malthus Theory
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As population increases, food supply decreases--> famine, black death, etc
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Keynes Theory
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Our economy is not flexible with wages and prices (they are "sticky"). Need to balance GDP with gov't spending if investment falls
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Friedman Theory
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Free-market capitalism, people aren't always rational
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Hayek Theory
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Booms and busts due to private investment, not gov't spending (animal spirits)
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Smith Theory
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Division of labor/specialization--"invisible hand" promotes an unintentional end
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