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Macro
Macro
79
Economics
Undergraduate 1
03/28/2009

Additional Economics Flashcards

 


 

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Term
Future Value
Definition
The amount the sum will be worth at a given future date, when allowed to earn interest at the prevailing rate.

FV=PV(1+r)^n
Term
Present Value
Definition
The amount that would be needed today to yield that future sum at prevailing interest rates.

PV=FV/(1+r)^n
Term
The rule of 70
Definition
If a variable grows at a rate of x percent per year, that variable will double in about 70/x years.
Term
Diminishing Marginal Utility
Definition
The more wealth a person has, the less extra utility he would get from an extra dollar, which is why people are risk averse.
Term
Adverse Selection
Definition
A high risk person benefits more from insurance, so is more likely to purchase it.
Term
Moral Hazard
Definition
People with insurance have less incentive to avoid risky behavior.
Term
Diversification
Definition
The method of reducing risk with a large number of smaller, unrelated risk. It reduces firm specific risk, but does not reduce market risk.
Term
Diversification part 2
Definition
Standard deviation goes down from 50 to 20, when you have 40 stocks in portfolio.
Term
Value of a share
Definition
Present value of any dividends the stock will pay + Present value of the price you get when you sell the share.
Term
Efficient Market Hypothesis
Definition
Each asset price reflects all publicly available information about the value of the asset.
Term
Informational Efficiency
Definition
Each stock price reflects all available information about the value of the company.
Term
Random Walk
Definition
The path of a variable whose changes are impossible to predict
Term
Labour Force
Definition
Employed and Unemployed
Term
Unemployed
Definition
People not working who have looked for work during previous 4 weeks.
Term
Unemployment Rate
Definition
(# of unemployed/labour force) x 100
Term
Labour Force Participation Rate
(% of adult population that is in the labour force)
Definition
(labour force/adult population) x 100
Term
Why is the unemployment rate not a perfect indicatior of joblessness?
Definition
1.) it excludes discouraged workers
2.) it does not distinguish between full time and part time work.
3.) Doesn't account for underemployment.
Term
Natural Rate of Unemployment
Definition
The normal rate of unemployment around which the actual unemployment rate fluctuates.
Term
Cyclical Unemployment
Definition
The deviation of unemployment from its natural rate, which is associated with business cycles.
Term
Frictional Unemployment
Definition
Occurs when the worker spends time searching for the jobs that best suit their skills and tastes.
Term
Structural unemployment
Definition
Occurs when there are fewer jobs than workers. It occurs when there is a mismatch between the worker's skills and the job.
Term
Job Search
Definition
Process of matching workers with appropriate jobs.
Term
Sectoral Shifts
Definition
Changes in the composition of demand across industries or regions of the country.
Term
Government employment agencies
Definition
Give out information about job vacancies to speed up the matching of workers with jobs.
Term
Public training programs
Definition
Aim to equip workers displaced from declining industries with the skills needed in growing industries.
Term
Unemployment Insurance
Definition
A government program that partially protects workers' incomes when they become unemployed. This increases frictional unemployment because UI benefits end when a worker takes a job, so the workers have less incentive to find a job.
Term
Reasons for Structural Unemployment (imbalance between supply and demand)?
Definition
1.) Minimum wage laws.
2.) Unions
3.) Efficiency Wages (firms voluntarily pay above equilibrium wages to boost productivity)
Term
Reasons for Efficiency Wages
Definition
1.) Worker health
2.) Worker turnover
3.) Worker quality
4.) Worker effort
Term
Double Coincidence of wants
Definition
The unlikely occurrence that two people each have a good the other wants.
Term
The Three Functions of Money
Definition
1.) Medium of Exchange
2.) Unit of Account
3.) Store of value
Term
Medium of exchange
Definition
An item buyers give to sellers when they want to purchase goods and services.
Term
Unit of Account
Definition
The yardstick people use to post prices and record debts
Term
Store of Value
Definition
An item people can use to transfer purchasing power from the present to the future.
Term
Commodity Money
Definition
Takes the form of a commodity with intrinsic value
Term
Fiat Money
Definition
Money without intrinsic value, used as money because of government decree.
Term
M1
Definition
Currency, demand deposits, traveler's checks, and other checkable deposits.
Term
M2
Definition
Everything in M1 plus savings deposits, small time deposits, money market mutual funds, and a few minor categories.
Term
Central bank
Definition
An institution that oversees the banking system and regulates the money supply
Term
Monetary Policy
Definition
The setting of the money supply by policymakers in the central bank.
Term
Federal Reserve
Definition
The central bank of the US
Term
Money Market Mutual Funds
Definition
Money used to invest.
Term
Fractional Reserve Banking System
Definition
Where banks keep a fraction of deposits as reserves, and use the rest to make loans.
Term
Reserve Requirements
Definition
Regulations on the minimum amount of reserves that the banks must hold against deposits
Term
Money Multiplier
Definition
The amount of money the banking system generates with each dollar of reserves. Money multiplier=1/R
Term
Open Market Operations
Definition
The purchase and sale of U.S. government bonds by the Fed. To increase the money supply, the Fed buys govt bonds, paying with currency.
Term
Reserve Requirements
Definition
To Increase money supply, the Fed reduces RR. Banks make more loans from each dollar of reserves.
Term
Discount Rate
Definition
Interest Rate on loans the Fed makes to banks. When banks are running low on reserves, they may borrow reserves from the Feds. To increase money supply, Fed can lower discount rate to encourage more borrowing.
Term
Fed Funds Market
Definition
Banks can borrow from other banks.
Term
Quantity Theory of Money
Definition
Asserts that the quantity of money determines the value of money
Term
Nominal Variable
Definition
Measured in monetary units
Term
Real Variables
Definition
Measured in physical Units.
Term
Classical Dichotomy
Definition
The Theoretical Separation of nominal and real variables. Hume suggests that monetary developments affect nominal variables, but not real variables
Term
Monetary neutrality
Definition
Changes in the money supply does not affect real variables.
Term
Velocity of Money
Definition
The rate at which money changes hands.
V x M= P x Y, where V is the velocity, M is the money supply, P is the price level, and Y is the real GDP.
Term
Quantity Theory of Money in 5 Steps
Definition
1.) V is stable
2.) a change in M causes a change in P x Y
3.) a change in M does not affect Y because money is neutral.
4.) a change in M causes a change in P.
5.) Rapid money supply growth causes rapid inflation
Term
Hyperinflation
Definition
Inflation exceeding 50% per month.
Term
Inflation Tax
Definition
Printing money causes inflation, which is like a tax on everyone who holds money.
Term
The Fisher Effect
Definition
Due to the neutrality of money, and since nominal interest rate= inflation rate + real interest rate, nominal interest rate adjusts one for one with the changes in the inflation rate.
Term
Shoeleather Costs
Definition
The resources wasted when inflation encourages people to reduce their money holdings.
Term
Menu Costs
Definition
The costs of changing prices i.e. printing new menus.
Term
Misallocation of resources from relative price variability
Definition
Firms don't all raise prices at the same time, so relative prices can vary, which distorts the allocation of resources.
Term
Confusion and inconvenience
Definition
Inflation changes the yardstick we use to measure transactions. Complicates long range planning and the comparison of dollar amounts over time.
Term
Tax Distortions
Definition
Inflation makes nominal income grow faster than real income. Taxes are based on nominal income, and some are not adjusted for inflation.
Term
Arbitrary Redistributions of Wealth
Definition
Higher than expected inflation transfers purchasing power from creditors to debtors. Debtors get to repay their debt with dollars that aren't worth as much.
Term
Closed Economy
Definition
Does not interact with other economies in the world.
Term
Open Economy
Definition
Interacts freely with other economies around the world.
Term
Net Capital Outflow
Definition
Domestic residents' purchases of foreign assets minus foreigners' purchases of domestic assets.
Term
Foreign Direct Investment
Definition
Domestic residents actively manage the foreign investment (i.e. McDonald's opens a fast food outlet in Thailand)
Term
Foreign Portfolio Investment
Definition
Domestic residents purchase foreign stocks or bonds.
Term
NCO > 0
Definition
Domestic Purchases of foreign assets exceed foreign purchases of domestic assets.
Term
NCO < 0
Definition
Foreign purchases of domestic assets exceed domestic purchases of foreign assets
Term
Nominal Exchange Rate
Definition
the rate at which one country's currency trades for another.
Term
Appreciation
Definition
An increase in the value of a currency as measured by the amount of foreign currency it could by
Term
Depreciation
Definition
A decrease in the value of a currency as measured by the amount of foreign currency it can buy.
Term
Real Exchange Rate
Definition
The rate at which the g&s of one country trade for the g&s of another.
Term
Real exchange rate formula
Definition
Real exchange rate= (e x P)/P2
where P is the domestic price, P2 is the foreign price in foreign currency, and e is the nominal exchange rate.
Term
Law of one price
Definition
the notion that a good should sell for the same price in all markets.
Term
Purchasing Power parity
Definition
A theory of exchange rates whereby a unit of any currency should be able to buy the same quantity of goods in all countries.
Term
Limitations of PPP theory
Definition
1.) Many goods cannot be easily traded
2.) Foreign, domestic goods are not always perfect substitutes.
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