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EC 201
1st Midterm
64
Economics
Undergraduate 1
01/30/2008

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Cards

Term
Production possibilities frontier (PPF)
Definition

the boundary between those combinations of goods and services that can be produced and those that cannot.

We cannot attain the points outside the frontier.

            We can produce at any point inside the PPF and on the PPF.

Term
Production efficiency
Definition
when we cannot produce more of one good without producing less of some other good; a point on the PPF
Term
Marginal Cost
Definition

the opportunity cost of producing one more unit of it; the slope of the PPF

Term
Preferences
Definition
a description of a person’s likes and dislikes
Term
Marginal Benefit
Definition

the benefit received from consuming one more unit of it

            Measured by the most that people are willing to pay for an additional unit of it

The willingness to pay for something measures its marginal benefit

Term
Marginal Benefit Curve
Definition

shows the relationship between the marginal benefit from a good and the quantity of that good consumed

            The more we consume of any one good or service, the more we can see other things that we would like better

Term
Allocative Efficiency
Definition

when we cannot produce more of any good without giving up some other good that we value more highly

Term
Economic growth
Definition

expansion of production; increases our standard of living, but doesn’t overcome scarcity and avoid opportunity cost

            We face a tradeoff-the faster we make production grow, the greater is the opportunity cost of economic growth

Term
Technological Change
Definition
the development of new goods and of better ways of producing goods and services
Term
Capital Accumulation
Definition
the growth of capital resources, including human capital
Term
Competitive Market
Definition
a market that has many buyers and many sellers, so no single buyer or seller can influence the price
Term
Money Price
Definition
The price of an object is the number of dollars that must be given up in exchange for it
Term
Relative Price
Definition
the ratio of one price to another; an opportunity cost
Term
Quantity demanded
Definition

the amount that consumers plan to buy during a given time period at a particular price; not necessarily the same as the quantity actually bought; measured as amount per unit of time

Term
The Law of Demand
Definition
other things remaining the same, the higher the price of a good, the smaller is the quantity demanded; and the lower the price of a good, the greater is the quantity demanded
Term
Substitution effect
Definition

when the price of a good rises, other things remaining the same, its relative price-its opportunity cost-rises

Term
Income Effect
Definition
when a price rises and all other influences on buying plans remain unchanged, the price rises relative to people’s incomes
Term
Demand
Definition

refers to the entire relationship between the price of the good and the quantity demanded of the good

Term
Change in Demand
Definition

When any factor that influences buying plans other than the price of the good changes

Term
Substitute
Definition

a good that can be used in place of another good

Term
Complement
Definition
a good that is used in conjunction with another good
Term
Normal good
Definition
one for which demand increases as income increases
Term
Inferior good
Definition

one for which demand decreases as income increases

Term
Quantity Supplied
Definition
the amount that producers plan to sell during a given time period at a particular price; measured as an amount per unit of time
Term
The Law of Supply
Definition
other things remaining the same, the higher the price of a good, the greater is the quantity supplied; and the lower the price of a good, the smaller is the quantity supplied
Term
Supply
Definition
refers to the entire relationship between the price of a good and the quantity supplied of it
Term
Supply Curve
Definition

shows the relationship between the quantity supplied of a good and its price when all other influences on producers’ planned sales remain the same

Term
Five main factors that bring changes in supply
Definition

the prices of productive resources, the price of related goods produced, expected future prices, the number of suppliers, and technology

Term
Equilibrium Price
Definition
the price at which the quantity demanded equals the quantity supplied
Term
Equilibrium Quantity
Definition

the quantity bought and sold at the equilibrium price

Term
Price Elasticity of Demand
Definition
a units-free measure of the responsiveness of the quantity demanded of a good to a change in its price when all other influences on buyers’ plans remain the same
Term
Perfectly Inelastic Demand
Definition
if the quantity demanded remains constant when the price changes, then the price elasticity of demand is zero
Term

Unit Elastic Demand

Definition
If the % change in the quantity demanded equals the % change in price, then the price elasticity equals 1
Term
Elastic Demand
Definition
the price elasticity of demand is greater than 1
Term
Total Revenue
Definition

equals the price of the good multiplied by the quantity sold

Term
Cross Elasticity of Demand
Definition
a measure of the responsiveness of the demand for a good to a change in the price of a substitute or complement, other things remaining the same
Term
Income Elastticity of Demand
Definition
a measure of the responsiveness of the demand for a good or service to a change in income, other things remaining the same
Term
Elasticity of Supply
Definition
measures the responsiveness of the quantity supplied to a change in the price of a good when all other influences on selling plans remain the same
Term
Perfectly inelastic Supply
Definition
vertical line, illustrates the supply of a good that has a zero elasticity of supply
Term
Unit Elastic Supply
Definition
illustrates the supply of a good with a unit elasticity of supply; positively sloping line
Term
Perfectly Elastic Supply
Definition
horizontal line, illustrates the supply of a good with an infinite elasticity of supply
Term
Command System
Definition
allocates resources by the order (command) of someone in authority
Term
Consumer Surplus
Definition

the value (or marginal benefit) of a good minus the price paid for it, summed over the quantity bought

Term
Individual Supply
Definition
The relationship between the price of a good and the quantity supplied by one producer
Term
Market Supply
Definition
the relationship between the price of a good and the quantity supplied by all producers
Term
Producer Surplus
Definition

the price received for a good minus its minimum supply-price (or marginal cost), summed over the quantity sold

Term
Dead Weight Loss
Definition
the decrease in total surplus that results from an inefficient level of production
Term
Subsidies
Definition

payments by the government to producers, decrease the prices paid by buyers and increase the prices received by sellers

Term
Externality
Definition
a cost or a benefit that affects someone other than the seller or the buyer of a good
Term
Public Good
Definition
a good or service that is consumed simultaneously by everyone even if they don’t pay for it
Term
Free-rider Problem
Definition
it is in each person’s interest to free ride on everyone else and avoid paying for her or his share of a public good
Term
Common Resource
Definition
owned by no one but used by everyone
Term
Monopoly
Definition

a firm that is the sole provider of a good or service

Term
Transactions Costs
Definition
the opportunity costs of making trades in a market
Term

Price Ceiling

Definition
 a regulation that makes it illegal to charge a price higher than a specified level
Term
Rent Ceiling
Definition

when a price ceiling is applied to housing markets

Term
Search Activity
Definition
the time spent looking for someone with whom to do business
Term

Black Market

Definition
an illegal market in which the price exceeds the legally imposed price ceiling
Term
Price Floor
Definition
a regulation that makes it illegal to trade at a price lower than a specified level
Term
Minimum Wage
Definition

when a price floor is applied to labor markets

Term
Living Wage
Definition
an hourly wage rate that enables a person who works a 40-hour work week to rent adequate housing for not more than 30% of the amount earned
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