Shared Flashcard Set

Details

Microeconomics
Final
47
Other
Not Applicable
05/30/2008

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Cards

Term
Opportunity Cost
Definition
Whenever you make a decision, whatever you could have done otherwise
Term
Rational
Definition
There is a pattern you can look at to figure out what you are going to do
Term
Utility
Definition
Whatever it is that people want
Term
Normal good
Definition

1. Has to do with income

A normal good is a good people want more of when their income goes up 

Term
Inferior good
Definition
When customers income goes up, people buy less
Term
Substitutes
Definition

Margerine/Butter

The price of one product goes up and makes the price of the substitute go up 

Term
Complements
Definition

PB&J

If peanut butter gets more expensive, jelly gets cheaper 

Term
Law of supply
Definition
At a high price more is supplied, at a low price more is demanded
Term
Law of Demand
Definition
At a higher price less is demanded, at a lower price more is demanded
Term
Supply Curve
Definition
at each price, how much will be supplied
Term
Demand curve
Definition
at each price how much will be demanded, how many people will buy at each price
Term
Equlibrium
Definition
A price a which all mutual trade have been made, when the supply and demand curve balance
Term
Normative
Definition
Anything that has opinion factored into it
Term
Positive
Definition
Based on fact, true or false, can be proven or disproven
Term
Why would there be an increase/decrese in demand?
Definition
The price decreased or the quantity increased
Term
Why would there be an increase/decrease in supply
Definition
The supply curve move left or right
Term
Total Costs
Definition
Total costs, fixed cost, variable cost
Term
Four Per Unit Costs
Definition
Average variable cost, marginal cost, average fixed cost, total average cost
Term
Which type of cost is zero when production is zer0?
Definition
Variable cost
Term
Which type of cost is the same regardless of how much is produced?
Definition
The fixed cost
Term
What is the cost of producing one more unit called?
Definition
Marginal Cost
Term
What is the relationship between MC and ATC?
Definition
Marginal cost is the average total cost at the LOWEST average total cost
Term
If a firm has fixed costs of $14,000, and at its current level of production it has total costs of $25,000, what are its variable costs?
Definition
11000, must equal total
Term
demand elasticity provides information on what?
Definition
How quantity demanded responds to price
Term
What characteristics in a market can make PeD greater(more elastic)?
Definition

1. how much competition there is

2. percentage of income

3. long term?

4. Luxury 

Term
How do more competitors effect demand?
Definition
Demand becomes more elastic
Term
Neccesities have a demand which is????
Definition
Less elastic
Term
What happens to demand when you have less time to adjust?
Definition
Demand becomes less elastic
Term
If price goes up from $2-$3, what % change is that?
Definition
find the number in between the price chnage (in this case 2.50 because the price raised from 2 to 3.  Then, you divide the price change ($1 in this problem) by the number that falls in the middle of the price change.  Therefore 1.00/2.50=40%
Term
If quanityt demanded goes up from 100-200, what percent change is that?
Definition

When finding % change in quantity, you always divide quantity by price.

 

100/150=.67 

Term
What does income elasticity measure?
Definition
Quantity responding to income
Term
Who bears a larger portion of any tax?
Definition
DEpends on elasticity.  If the supply is more inelastic than the demand, the supplier eats the tax.  If demand is more inelastic, vice versa
Term
Number of sellers in a perfectly competitive market
Definition
Many
Term
Perfectly Competitive - products
Definition
Identical
Term
Perfectly Competitive - Entry/Exit
Definition
free and easy
Term
Perfectly Competitive - Price and Quantity
Definition
Price as low as possible, make as much as we can possibly produce
Term
Perfectly Competitive - Long Run Profits
Definition
Profits should equal zero in the long run
Term
Perfectly Competitive - Key Concept(price related)
Definition
Price taker
Term
Perfectly Competitive - Examples
Definition
wheat, corn
Term
Pure Monopoly:
Definition
Number of sellers-one
Products-one
Entry/exit-difficult or impossible
P and Q-high price, low quantity
Long-run profits-yes
Key concept-price maker, can set their own price because they have market power
Term
Monopolistic Competition:
Definition
Number of sellers-Many
Products-different products
Entry/exit-free entry and exit
Long-run profits-no
P and Q-price is higher then purely compet, quant is lower
Key concept (product related)-product differentiation
Examples: shoe companies, restaurants
Term
Oligopoly:
Definition
Number of sellers-few (under 5)
Products-similar
Entry/exit-easier than monopoly, some dangers
Long-run profits-if they cooperate, expect long run profits
P and Q-higher if they cooperate well, quant low if the cooperate well
Key concept (product related)-interdependent companies
Examples: airlines, tobacco companies, major labels
Term
What is deadweight loss?
Definition
Value that we could have gotten but it does not ever happen
Term
What does the government do about deadweight loss?
Definition
Split up companies, regulate, take over companies, ignore the problem
Term
why do firms in monopolistically competitive markets advertise?
Definition
to differentiate from other products
Term
Opponents of advertsing would say?
Definition
advertising is expensive and it gives up resources
Term

Which curve can graphically tell you for certain what the market type is?

 

Definition
Demand curve.  Flat= perfectly competitive
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