Econ Lock in

scarcity

the economic problem of having human needs/wants exceed the availability of resources to satisfy their needs/wants
antonym: abundance

economics

a study of how to allocate scarce resources

utility

the extent to which a good/service is useful for satisfying needs/wants and can create happiness when used/consumed

value

how much can be received in exchange for a good/service on the market

goods

objects used for consumption or production that are transferable

services

actions used for consumption or production that are not transferable

consumer good

a good used to directly provide utility (rather than to produce other goods that will then provide utility)

product

the output of the production process, a good/service produced by humans

natural resources

goods that exist in nature and are not produced by humans

durable good

a good that lasts more than one year when used for consumption or production

factor of production

an input into the production process

capital

products used to produce other products

physical capital

durable goods used to produce goods and services
examples: factories, roads, work computers, commercial vehicles, office space, farm animals...
synonym: capital goods
note: does not include intangible goods such as intellectual property, but this course will use use 'physical capital' as shorthand for 'physical and intangible capital'

human capital

worker attributes that are useful in a production process
examples: skills, knowledge, experience, education, physical strength/endurance...

financial capital

money invested in production

land

the territory & the natural resources on that territory

labor

the time and effort spent by humans on production

income from production

income received due to participation in the creation of new wealth
synonym: factor income

income from transfer

income received due to redistributing existing wealth

opportunity cost

whatever must be given up to obtain an item (i.e. the highest-value foregone alternative)

total opportunity cost

opportunity cost of all units produced (cost of N units)

marginal opportunity cost

opportunity cost of producing one additional unit (cost of the Nth unit)
illustrated by the slope of the PPC

production possibilities curve (PPC)

a curve that represents all possible and efficient combinations of two products that are produced using the same scarce input(s)
the coordinates of each point on the curve represent one possible combination of the two products
each axis represents the quantity produced of one of the two products
synonym: production possibilities frontier

productive efficiency

using scarce factors of production such that it is impossible to increase the production of one good/service without sacrificing another

comparative advantage

an economic actor’s ability to produce a certain good with a lower opportunity cost than another actor

absolute advantage

an economic actor’s ability to produce a more of a certain good than another actor given the same resources

ceteris paribus

the assumption that all variables other than a given independent variable and a given dependent variable stay constant

curve

a graphical representation of a function showing the relationship between the two variables shown on the axes, ceteris paribus

movement along a curve

a change in the variable on one axis leading to the change in the variable on the other axis that is predicted by the curve, while every other variable is held constant under the ceteris paribus assumption

shift of a curve

the variable on one of the axes held constant while the variable on the other axis changes as a result of some third variable that is not represented on either axis

competitive market

a market in which there are many buyers and sellers of the same good/service, none of whom can influence the price at which the good/service is sold
antonym: monopoly

quantity demanded

amount of good/service buyers (e.g. consumers) are willing and able to buy at a given price

law of demand

an inverse relationship between price and quantity demanded, leading to a downward-sloping demand curve

income effect

a decrease in the price of a good causing an increase in leftover income for the buyers causing an an increase in the quantity demanded of that good (and of other goods)

substitution effect

a decrease in the price of a good causing buyers to use the money they previously spent on other (substitute) goods to increase their quantity demanded of that good

demand shifters

- cause the demand curve to shift to the left/right
- increase/decrease quantity demanded at a given price
- number of consumers, expectations of future price, prices of complement/substitute goods, consumer income, consumer preferences

quantity supplied

amount of good/service suppliers (e.g. producers) are willing and able to sell at a given price

law of supply

a direct relationship between price and quantity supplied, leading to an upward-sloping supply curve

supply shifters

- cause the supply curve to shift to the left/right
- increase/decrease quantity supplied at a given price
- number of producers, expectations of future price, prices of complement/substitute goods, input costs (prices of factors of production + per-unit taxes/subsidies), technology

equilibrium

the price at which quantity demanded equals quantity supplied

surplus

quantity supplied of a good/service exceeding quantity demanded of that good/service at a given price

shortage

quantity demanded of a good/service exceeding quantity supplied of that good/service at a given price

macroeconomics

a branch of economics studying the economy as a whole

microeconomics

a branch of economics studying markets for particular goods/services

aggregate measure

a macroeconomic measure arrived at by combining all microeconomic measures in a particular category

gross

total amount before deductions

net

total amount after deductions
synonym: balance

production

using factors of production to create products that have value

consumption

using consumer goods/services to obtain utility and/or reproduce human capital

depreciation

reduction in the value of a capital good during the production process (e.g. wear and tear)

household

an economic actor that organizes consumption

business

an economic actor that organizes production
synonym: firm

final goods and services

new consumer goods/services and new capital goods

intermediate goods and services

services and non-durable products purchased by businesses and fully used up in the production process

used good

a good bought by a household, then resold to another household at reduced price

inventory

goods that have been produced but not yet sold

gross domestic product (GDP)

the total value of all final goods and services produced in the US

consumption (component of GDP)

spending by households on final goods/services (except new houses)
+ imputed rent of owner-occupied houses

investment (component of GDP)

spending by businesses on capital goods
+ net change in business inventory
+ spending by households on new houses

government purchases

spending by federal/state/local government on final goods and services

imports

goods and services produced abroad and sold domestically

exports

goods and services produced domestically and sold abroad

closed economy

an economy that does not trade with the rest of the world
antonym: open economy

accounting identity

a relation between variables that is true by definition

labor force

people who have a job or are actively looking for a job, 16 or older, not in the military, not institutionalized

discouraged workers

people who want a job but are not actively looking

structural unemployment

unemployment caused by a mismatch between what employers need and what people in the labor force can offer (often due to technological change)

frictional unemployment

short-term unemployment caused by people being between jobs

seasonal unemployment

unemployment caused by certain kinds of jobs not needing workers during specific times of the year

cyclical unemployment

unemployment that is caused by a recession and that disappears once the economy recovers

natural rate of unemployment

= structural unemployment rate + frictional unemployment rate + seasonal unemployment rate
synonym: full employment

price level

an aggregate of the prices of goods and services in the economy, as measured by a price index such as GDP deflator or CPI

relative prices

the ratios between the prices of different goods and services in the economy

purchasing power

the quantity of goods/services that can be bought with a unit of currency

inflation

increase in the price level, i.e. decrease in the purchasing power of money

deflation

decrease in the price level, i.e. increase in the purchasing power of money

disinflation

decrease in the rate of inflation

basket

a list of products a typical consumer buys in a year with a corresponding list of product quantities

substitution bias

the tendency of the CPI method to overestimate inflation by ignoring consumers using cheaper products as substitutes for products that get more expensive

real value

value measured relative to other goods/services, i.e. inflation-adjusted value

nominal value

value measured in terms of money

actual output

output the economy produces at the current rate of employment
synonym: short-run equilibrium output

potential output

output the economy can produce given full employment, i.e. output given maximum sustainable utilization of current productive capacity
synonyms: natural rate of output, long-run equilibrium output, potential GDP

expansion

a period of rising output

recession

a period of falling output

business cycle

the change in output through time

aggregate demand curve

a curve that shows the quantity of goods and services that households, businesses, the government, and other countries are willing to buy at each given price level, ceteris paribus

AD shifter

any factor - other than price level - that causes a change in aggregate expenditure, i.e. C, I, G, and NX

autonomous expenditure

spending which is independent on income

aggregate supply curve

a curve that shows the quantity of goods and services that businesses are willing to produce at each given price level, ceteris paribus

SRAS shifter

any factor - other than price level - which causes aggregate output to change, e.g.
- input costs
- expected price level
- LRAS shifters (see supply-side fiscal policy)

stickiness

the extent to which a particular price lags behind the change in the general price level, e.g. if a wage is fixed by contract for a certain period of time
synonym: nominal rigidity
antonym: flexibility

short run

a period of time during which
1) wages lag behind the change in the general price level due to stickiness
2) productive capacity is fixed

long run

a period of time during which
1) wages can adjust to the change in the general price level
2) productive capacity can change

equilibrium

the point where AD intersects SRAS, i.e. expenditure equals output

recessionary gap

when the short-run equilibrium output is less than the natural rate of output

inflationary gap

when the short-run equilibrium output is greater than the natural rate of output

shock

an unexpected change in some variable other than the price level resulting in a shift of the aggregate demand or aggregate supply curve

demand-pull inflation

increase in the price level caused by a rightward shift of the AD curve (see inflationary gap)

cost-push inflation

increase in the price level caused by a leftward shift of the SRAS curve (see stagflation)

stagflation

a period of falling output and high inflation

fiscal policy

the use of government spending/taxes/transfers to influence macroeconomic conditions

fiscal stimulus

discretionary fiscal policy that aims to close the recessionary gap by shifting AD to the right through deficit spending (increasing the budget deficit)

automatic stabilizer

nondiscretionary fiscal policy that mitigates business cycles by increasing aggregate expenditure during recessions and decreasing aggregate expenditure during expansions

Phillips curve

a curve showing the relationship between inflation and unemployment

supply-side fiscal policy

government policy aiming to promote long-run growth of GDP per capita (shift LRAS to the right; shift PPC outward)
- improving technology (innovation)
- increasing capital stock (investment)
- increasing human capital (education)

bond

an IOU that a government or a corporation sells an investor, which yields a set interest rate each year during the term of the bond and repays the principal to the investor as of the maturity date listed on the bond

liquidity

the ease with which an asset can be sold / converted to currency

speculation

purchase of an asset with the hope that it will become more valuable shortly

fixed interest rate

nominal interest rate that does not vary based on inflation, resulting a real interest rate that does vary based on inflation

variable interest rate

nominal interest rate that varies based on inflation in order to keep the real interest rate fixed

money

an asset that functions as a unit of account, a store of value, and a medium of exchange

fiat money

money that derives value from the government enforcing debts denominated in that kind of money and collecting taxes in that kind of money

commodity money

money that derives value from the utility it has to some people apart from its use as money

M0 (monetary base)

money created directly by the Fed: currency in circulation + currency in bank reserves

reserve requirement

minimum reserve ratio allowed by the central bank

checking account

a deposit that can be withdrawn from the bank at any time and can be directly used for payments

savings account

a deposit that can be withdrawn from the bank at any time but cannot be directly used for payments

certificate of deposit (CD)

a time deposit that can only be withdrawn from the bank after a fixed amount time

M1 (narrow money)

currency in circulation + demand deposits (e.g. checking accounts) + savings accounts

M2 (broad money)

M1 + small-denomination time deposits (e.g. CDs) + money market funds

fractional-reserve banking

a banking system in which banks only hold a fraction of deposits as reserves

reserves

deposits that banks have received but not loaned out

reserve ratio

the fraction of deposits that a bank holds on reserve

excess reserves

reserves held by the bank in excess of the reserve requirement

financial asset

a claim that entitles the buyer to future income from the seller (e.g. loans, bonds, stocks/equity, bank deposits)

liability

requirement to pay money in the future (reverse of financial asset)

commercial bank

a financial intermediary which accepts deposits from the public (unlike an investment bank) and uses that money to give out loans to the public

T-account

a balance sheet that lists an economic actor's assets on the left and liabilities on the right

loans

money that people borrow from banks
(a loan is an asset for the bank and a liability for the person, and thus does not affect net wealth)

deposits

money that banks borrow from people
(a deposit is an asset for the person and a liability for the bank, and thus does not affect net wealth)

rate of return

the ratio of the accounting profit generated by an investment to the cost of the investment

money market graph

a supply-and-demand graph (used in the limited reserves framework) showing the relationship between the quantity of M1 money and the nominal interest rate

liquidity preference

the preference for holding low-interest-rate liquid assets over higher-interest-rate assets that are less liquid
synonym: demand for money

Federal Reserve

the central bank of the US, which sets monetary policy in pursuit of its dual mandate - full employment and price stability
synonym: the Fed

monetary policy

the setting of interest rates by the central bank

expansionary policy

fiscal or monetary policy aimed at increasing the short-run equilibrium output (typically to close a recessionary gap)
synonym: stimulus
synonyms for expansionary monetary policy: loose money, soft money, monetary dove

contractionary policy

fiscal or monetary policy aimed at reducing the short-run equilibrium output (typically to close an inflationary gap)
synonyms for contractionary monetary policy: tight money, hard money, monetary hawk

limited reserves framework

a banking system in which the reserve requirement is greater than zero and monetary policy works by changing the money supply

open-market operations

the Fed buying and selling assets such as US treasury bonds in order to change the money supply

discount rate

the interest rate on the loans the Fed makes to banks

policy rate

the interest rate at which banks make overnight loans to each other, which is indirectly set by the Fed
synonym: target federal funds rate

monetary policy lags

the time it takes the Fed to detect a problem in the economy (recognition lag) and the time it takes for Fed action to affect the economy (impact lag)

ample reserves framework

a banking system in which the reserve requirement is zero and changing the money supply does not lead to a change in the nominal interest rate

reserve market model graph

a supply-and-demand graph (used in the ample reserves framework) showing the relationship between the quantity of reserves deposited at the Fed and the policy rate

interest on reserves

the interest rate banks earn on their reserves held at the Fed

administered interest rates

monetary policy tools under the ample reserves framework - the discount rate and the interest on reserves

loanable funds graph

a supply-and-demand graph showing the relationship between the quantity of loanable funds and the real interest rate

quantity theory of money

the theory that in the long run, changes in the money supply affect the price level rather than the velocity of money or the real GDP

velocity of money

the rate at which money changes hands

liquidity trap

a situation where nominal interest rates are near the zero lower bound, so an increase in the money supply would not translate to a decrease in the interest rates or an increase in the price level

crowding-out effect

when government deficit spending causes an increase in the interest rate, thereby causing a fall in private investment

balance of payments

an accounting system that records a country’s cross-border transactions for a particular time period and consists of the CA and the CFA

account credit

a transaction that causes an inflow of money to a country
antonym: account debit

account surplus

an account (CA or CFA) having more credits than debits
antonym: account deficit

current account

cross-border transactions that don't result in future income from abroad (hence "current")

balance of trade

transactions involving goods moving from one country to another or services performed by the resident of one country for the resident of another country
synonym: net exports

net income from abroad

income earned by a country's factors of production being employed abroad, e.g. yields from foreign bonds, dividends from foreign stocks, rent from foreign real estate, wages from foreign employers

net unilateral transfers

money received from or sent abroad not in exchange for a good, service, or financial asset, e.g. governments providing foreign aid or migrant workers sending remittances back to their families

capital and financial account

transactions that result in the change in foreign ownership of domestic assets or vice versa, with the owners typically entitled to future income from abroad

financial capital outflow

financial capital leaving the country, due to
- payment for foreign financial assets
- payment for foreign physical assets (which remain physically in their country of origin)
- financial capital transfers (e.g. debt forgiveness)
synonyms: capital flight, CFA debit
antonyms: financial capital inflow, CFA credit

net change in foreign reserves

change in foreign reserves of a country's currency or vice versa
synonym: net currency outflow

exchange rate

the price of one currency in terms of another currency

currency appreciation

increase in exchange rate of a currency
antonym: currency depreciation

ForEx market

the foreign exchange market in which different countries' currencies are exchanged for one another

flexible exchange rate

a monetary system that allows the exchange rate to be determined by supply and demand
synonym: floating exchange rate
antonym: fixed exchange rate

fixed exchange rate

a regime applied by a government or central bank that ties the country's official currency exchange rate to another country's currency

protectionism

economic policy of restricting imports through methods such as tariffs with the goal of protecting domestic industry and maintaining a positive balance of trade

relative prices

prices of domestic products compared to the prices of foreign products

  1. scarcity: the economic problem of having human needs/wants exceed the availability of resources to satisfy their needs/wants (antonym: abundance)

  2. economics: a study of how to allocate scarce resources

  3. utility: the extent to which a good/service is useful for satisfying needs/wants and can create happiness when used/consumed

  4. value: how much can be received in exchange for a good/service on the market

  5. goods: objects used for consumption or production that are transferable

  6. services: actions used for consumption or production that are not transferable

  7. consumer good: a good used to directly provide utility (rather than to produce other goods that will then provide utility)

  8. product: the output of the production process, a good/service produced by humans

  9. natural resources: goods that exist in nature and are not produced by humans

  10. durable good: a good that lasts more than one year when used for consumption or production

  11. factor of production: an input into the production process

  12. capital: products used to produce other products

  13. physical capital: durable goods used to produce goods and services

    • examples: factories, roads, work computers, commercial vehicles, office space, farm animals…

    • synonym: capital goods

    • note: does not include intangible goods such as intellectual property, but this course will use 'physical capital' as shorthand for 'physical and intangible capital'

  14. human capital: worker attributes that are useful in a production process

    • examples: skills, knowledge, experience, education, physical strength/endurance…

  15. financial capital: money invested in production

  16. land: the territory & the natural resources on that territory

  17. labor: the time and effort spent by humans on production

  18. income from production: income received due to participation in the creation of new wealth (synonym: factor income)

  19. income from transfer: income received due to redistributing existing wealth

  20. opportunity cost: whatever must be given up to obtain an item (i.e. the highest-value foregone alternative)

  21. total opportunity cost: opportunity cost of all units produced (cost of N units)

  22. marginal opportunity cost: opportunity cost of producing one additional unit (cost of the N^{th} unit), illustrated by the slope of the PPC

  23. production possibilities curve (PPC): a curve that represents all possible and efficient combinations of two products that are produced using the same scarce input(s)

    • the coordinates of each point on the curve represent one possible combination of the two products

    • each axis represents the quantity produced of one of the two products

    • synonym: production possibilities frontier

  24. productive efficiency: using scarce factors of production such that it is impossible to increase the production of one good/service without sacrificing another

  25. comparative advantage: an economic actor’s ability to produce a certain good with a lower opportunity cost than another actor

  26. absolute advantage: an economic actor’s ability to produce more of a certain good than another actor given the same resources

  27. ceteris paribus: the assumption that all variables other than a given independent variable and a given dependent variable stay constant

  28. curve: a graphical representation of a function showing the relationship between the two variables shown on the axes, ceteris paribus

  29. movement along a curve: a change in the variable on one axis leading to the change in the variable on the other axis that is predicted by the curve, while every other variable is held constant under the ceteris paribus assumption

  30. shift of a curve: the variable on one of the axes held constant while the variable on the other axis changes as a result of some third variable that is not represented on either axis

  31. competitive market: a market in which there are many buyers and sellers of the same good/service, none of whom can influence the price at which the good/service is sold (antonym: monopoly)

  32. quantity demanded: amount of good/service buyers (e.g. consumers) are willing and able to buy at a given price

  33. law of demand: an inverse relationship between price and quantity demanded, leading to a downward-sloping demand curve

  34. income effect: a decrease in the price of a good causing an increase in leftover income for the buyers causing an increase in the quantity demanded of that good (and of other goods)

  35. substitution effect: a decrease in the price of a good causing buyers to use the money they previously spent on other (substitute) goods to increase their quantity demanded of that good

  36. demand shifters: cause the demand curve to shift to the left/right and increase/decrease quantity demanded at a given price; including number of consumers, expectations of future price, prices of complement/substitute goods, consumer income, and consumer preferences

  37. quantity supplied: amount of good/service suppliers (e.g. producers) are willing and able to sell at a given price

  38. law of supply: a direct relationship between price and quantity supplied, leading to an upward-sloping supply curve

  39. supply shifters: cause the supply curve to shift to the left/right and increase/decrease quantity supplied at a given price; including number of producers, expectations of future price, prices of complement/substitute goods, input costs (prices of factors of production + per-unit taxes/subsidies), and technology

  40. equilibrium: the price at which quantity demanded equals quantity supplied

  41. surplus: quantity supplied of a good/service exceeding quantity demanded of that good/service at a given price

  42. shortage: quantity demanded of a good/service exceeding quantity supplied of that good/service at a given price

Macroeconomics Fundamentals
  1. macroeconomics: a branch of economics studying the economy as a whole

  2. microeconomics: a branch of economics studying markets for particular goods/services

  3. aggregate measure: a macroeconomic measure arrived at by combining all microeconomic measures in a particular category

  4. gross: total amount before deductions

  5. net: total amount after deductions (synonym: balance)

  6. production: using factors of production to create products that have value

  7. consumption: using consumer goods/services to obtain utility and/or reproduce human capital

  8. depreciation: reduction in the value of a capital good during the production process (e.g. wear and tear)

  9. household: an economic actor that organizes consumption

  10. business: an economic actor that organizes production (synonym: firm)

  11. final goods and services: new consumer goods/services and new capital goods

  12. intermediate goods and services: services and non-durable products purchased by businesses and fully used up in the production process

  13. used good: a good bought by a household, then resold to another household at reduced price

  14. inventory: goods that have been produced but not yet sold

  15. gross domestic product (GDP): the total value of all final goods and services produced in the US

  16. consumption (component of GDP): spending by households on final goods/services (except new houses) + imputed rent of owner-occupied houses

  17. investment (component of GDP): spending by businesses on capital goods + net change in business inventory + spending by households on new houses

  18. government purchases: spending by federal/state/local government on final goods and services

  19. imports: goods and services produced abroad and sold domestically

  20. exports: goods and services produced domestically and sold abroad

  21. closed economy: an economy that does not trade with the rest of the world (antonym: open economy)

  22. accounting identity: a relation between variables that is true by definition

  23. labor force: people who have a job or are actively looking for a job, 16 or older, not in the military, not institutionalized

  24. discouraged workers: people who want a job but are not actively looking

  25. structural unemployment: unemployment caused by a mismatch between what employers need and what people in the labor force can offer (often due to technological change)

  26. frictional unemployment: short-term unemployment caused by people being between jobs

  27. seasonal unemployment: unemployment caused by certain kinds of jobs not needing workers during specific times of the year

  28. cyclical unemployment: unemployment that is caused by a recession and that disappears once the economy recovers

  29. natural rate of unemployment: = structural unemployment rate + frictional unemployment rate + seasonal unemployment rate (synonym: full employment)

  30. price level: an aggregate of the prices of goods and services in the economy, as measured by a price index such as GDP deflator or CPI

  31. relative prices: the ratios between the prices of different goods and services in the economy

  32. purchasing power: the quantity of goods/services that can be bought with a unit of currency

  33. inflation: increase in the price level, i.e. decrease in the purchasing power of money

  34. deflation: decrease in the price level, i.e. increase in the purchasing power of money

  35. disinflation: decrease in the rate of inflation

  36. basket: a list of products a typical consumer buys in a year with a corresponding list of product quantities

  37. substitution bias: the tendency of the CPI method to overestimate inflation by ignoring consumers using cheaper products as substitutes for products that get more expensive

  38. real value: value measured relative to other goods/services, i.e. inflation-adjusted value

  39. nominal value: value measured in terms of money

Aggregate Demand, Supply, and Output
  1. actual output: output the economy produces at the current rate of employment (synonym: short-run equilibrium output)

  2. potential output: output the economy can produce given full employment, i.e. output given maximum sustainable utilization of current productive capacity (synonyms: natural rate of output, long-run equilibrium output, potential GDP)

  3. expansion: a period of rising output

  4. recession: a period of falling output

  5. business cycle: the change in output through time

  6. aggregate demand curve: a curve that shows the quantity of goods and services that households, businesses, the government, and other countries are willing to buy at each given price level, ceteris paribus

  7. AD shifter: any factor - other than price level - that causes a change in aggregate expenditure, i.e. C, I, G, NX

  8. autonomous expenditure: spending which is independent on income

  9. aggregate supply curve: a curve that shows the quantity of goods and services that businesses are willing to produce at each given price level, ceteris paribus

  10. SRAS shifter: any factor - other than price level - which causes aggregate output to change, e.g. input costs, expected price level, or LRAS shifters

  11. stickiness: the extent to which a particular price lags behind the change in the general price level (synonym: nominal rigidity, antonym: flexibility)

  12. short run: a period of time during which wages lag behind the change in the general price level due to stickiness and productive capacity is fixed

  13. long run: a period of time during which wages can adjust to the change in the general price level and productive capacity can change

  14. equilibrium (AD/SRAS): the point where AD intersects SRAS, i.e. expenditure equals output

  15. recessionary gap: when the short-run equilibrium output is less than the natural rate of output

  16. inflationary gap: when the short-run equilibrium output is greater than the natural rate of output

  17. shock: an unexpected change in some variable other than the price level resulting in a shift of the aggregate demand or aggregate supply curve

  18. demand-pull inflation: increase in the price level caused by a rightward shift of the AD curve

  19. cost-push inflation: increase in the price level caused by a leftward shift of the SRAS curve

  20. stagflation: a period of falling output and high inflation

  21. fiscal policy: the use of government spending/taxes/transfers to influence macroeconomic conditions

  22. fiscal stimulus: discretionary fiscal policy that aims to close the recessionary gap by shifting AD to the right through deficit spending (increasing the budget deficit)

  23. automatic stabilizer: nondiscretionary fiscal policy that mitigates business cycles by increasing aggregate expenditure during recessions and decreasing aggregate expenditure during expansions

  24. Phillips curve: a curve showing the relationship between inflation and unemployment

  25. supply-side fiscal policy: government policy aiming to promote long-run growth of GDP per capita (shift LRAS to the right; shift PPC outward) by improving technology, increasing capital stock, or increasing human capital

Money and Financial Markets
  1. bond: an IOU that a government or a corporation sells an investor, which yields a set interest rate each year during the term of the bond and repays the principal to the investor

  2. liquidity: the ease with which an asset can be sold / converted to currency

  3. speculation: purchase of an asset with the hope that it will become more valuable shortly

  4. fixed interest rate: nominal interest rate that does not vary based on inflation, resulting in a real interest rate that does vary based on inflation

  5. variable interest rate: nominal interest rate that varies based on inflation in order to keep the real interest rate fixed

  6. money: an asset that functions as a unit of account, a store of value, and a medium of exchange

  7. fiat money: money that derives value from the government enforcing debts denominated in it and collecting taxes in it

  8. commodity money: money that derives value from the utility it has to some people apart from its use as money

  9. M0 (monetary base): money created directly by the Fed: currency in circulation + currency in bank reserves

  10. reserve requirement: minimum reserve ratio allowed by the central bank

  11. checking account: a deposit that can be withdrawn from the bank at any time and can be directly used for payments

  12. savings account: a deposit that can be withdrawn from the bank at any time but cannot be directly used for payments

  13. certificate of deposit (CD): a time deposit that can only be withdrawn from the bank after a fixed amount time

  14. M1 (narrow money): currency in circulation + demand deposits (e.g. checking accounts) + savings accounts

  15. M2 (broad money): M1 + small-denomination time deposits (e.g. CDs) + money market funds

  16. fractional-reserve banking: a banking system in which banks only hold a fraction of deposits as reserves

  17. reserves: deposits that banks have received but not loaned out

  18. reserve ratio: the fraction of deposits that a bank holds on reserve

  19. excess reserves: reserves held by the bank in excess of the reserve requirement

  20. financial asset: a claim that entitles the buyer to future income from the seller (e.g. loans, bonds, stocks/equity, bank deposits)

  21. liability: requirement to pay money in the future (reverse of financial asset)

  22. commercial bank: a financial intermediary which accepts deposits from the public and uses that money to give out loans to the public

  23. T-account: a balance sheet that lists an economic actor's assets on the left and liabilities on the right

  24. loans: money that people borrow from banks (asset for the bank, liability for the person)

  25. deposits: money that banks borrow from people (asset for the person, liability for the bank)

  26. rate of return: the ratio of the accounting profit generated by an investment to the cost of the investment

  27. money market graph: a supply-and-demand graph used in the limited reserves framework showing the relationship between M1 money and the nominal interest rate

  28. liquidity preference: the preference for holding low-interest-rate liquid assets over higher-interest-rate assets (synonym: demand for money)

  29. Federal Reserve: the central bank of the US setting monetary policy for full employment and price stability (synonym: the Fed)

  30. monetary policy: the setting of interest rates by the central bank

  31. expansionary policy: fiscal or monetary policy aimed at increasing short-run equilibrium output (synonyms: stimulus, loose money, soft money, monetary dove)

  32. contractionary policy: fiscal or monetary policy aimed at reducing short-run equilibrium output (synonyms: tight money, hard money, monetary hawk)

  33. limited reserves framework: a banking system in which the reserve requirement is greater than zero and monetary policy works by changing the money supply

  34. open-market operations: the Fed buying and selling assets such as US treasury bonds in order to change the money supply

  35. discount rate: the interest rate on the loans the Fed makes to banks

  36. policy rate: the interest rate at which banks make overnight loans to each other, indirectly set by the Fed

  37. monetary policy lags: include recognition lag (detecting the problem) and impact lag (action affecting the economy)

  38. ample reserves framework: a banking system in which the reserve requirement is zero and changing the money supply does not lead to a change in the nominal interest rate

  39. reserve market model graph: a supply-and-demand graph used in the ample reserves framework showing the relationship between reserves and the policy rate

  40. interest on reserves: the interest rate banks earn on their reserves held at the Fed

  41. administered interest rates: monetary policy tools under the ample reserves framework - the discount rate and the interest on reserves

  42. loanable funds graph: a supply-and-demand graph showing the relationship between the quantity of loanable funds and the real interest rate

  43. quantity theory of money: the theory that in the long run, changes in the money supply affect the price level rather than velocity or real GDP

  44. velocity of money: the rate at which money changes hands

  45. liquidity trap: a situation where nominal interest rates are near the zero lower bound, so increasing the money supply does not decrease interest rates or increase the price level

  46. crowding-out effect: when government deficit spending causes an increase in the interest rate, thereby causing a fall in private investment

International Trade and Exchange Rates
  1. balance of payments: an accounting system recording cross-border transactions consisting of the CA and the CFA

  2. account credit: a transaction that causes an inflow of money to a country (antonym: account debit)

  3. account surplus: an account (CA or CFA) having more credits than debits (antonym: account deficit)

  4. current account (CA): cross-border transactions that don’t result in future income from abroad

  5. balance of trade: transactions involving goods moving from one country to another or services performed by the resident of one country for another (synonym: net exports)

  6. net income from abroad: income earned by a country’s factors of production employed abroad (e.g. yields, dividends, rent, wages)

  7. net unilateral transfers: money received from or sent abroad not in exchange for a good, service, or asset (e.g. aid, remittances)

  8. capital and financial account (CFA): transactions resulting in the change in foreign ownership of domestic assets or vice versa

  9. financial capital outflow: financial capital leaving the country due to payments for foreign assets or capital transfers (synonyms: capital flight, CFA debit; antonyms: inflow, CFA credit)

  10. net change in foreign reserves: change in foreign reserves of a country's currency or vice versa (synonym: net currency outflow)

  11. exchange rate: the price of one currency in terms of another currency

  12. currency appreciation: increase in exchange rate of a currency (antonym: depreciation)

  13. ForEx market: the foreign exchange market where currencies are exchanged

  14. flexible exchange rate: a monetary system where the exchange rate is determined by supply and demand (synonym: floating exchange rate; antonym: fixed exchange rate)

  15. fixed exchange rate: a regime where a government/central bank ties the official exchange rate to another currency

  16. protectionism: economic policy of restricting imports (e.g. tariffs) to protect domestic industry and maintain a positive balance of trade

  17. relative prices (international): prices of domestic products compared to the prices of foreign products