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        | Whenever you make a decision, whatever you could have done otherwise |  | 
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        | There is a pattern you can look at to figure out what you are going to do |  | 
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        | Whatever it is that people want |  | 
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        | 1. Has to do with income A normal good is a good people want more of when their income goes up  |  | 
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        | When customers income goes up, people buy less |  | 
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        | Margerine/Butter The price of one product goes up and makes the price of the substitute go up  |  | 
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        | PB&J If peanut butter gets more expensive, jelly gets cheaper  |  | 
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        | At a high price more is supplied, at a low price more is demanded |  | 
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        | At a higher price less is demanded, at a lower price more is demanded |  | 
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        | at each price, how much will be supplied |  | 
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        | at each price how much will be demanded, how many people will buy at each price |  | 
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        | A price a which all mutual trade have been made, when the supply and demand curve balance |  | 
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        | Anything that has opinion factored into it |  | 
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        | Based on fact, true or false, can be proven or disproven |  | 
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        | Why would there be an increase/decrese in demand? |  | Definition 
 
        | The price decreased or the quantity increased |  | 
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        | Why would there be an increase/decrease in supply |  | Definition 
 
        | The supply curve move left or right |  | 
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        | Total costs, fixed cost, variable cost |  | 
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        | Average variable cost, marginal cost, average fixed cost, total average cost |  | 
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        | Which type of cost is zero when production is zer0? |  | Definition 
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        | Which type of cost is the same regardless of how much is produced? |  | Definition 
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        | What is the cost of producing one more unit called? |  | Definition 
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        | What is the relationship between MC and ATC? |  | Definition 
 
        | Marginal cost is the average total cost at the LOWEST average total cost |  | 
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        | 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 
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        | demand elasticity provides information on what? |  | Definition 
 
        | How quantity demanded responds to price |  | 
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        | 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  |  | 
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        | How do more competitors effect demand? |  | Definition 
 
        | Demand becomes more elastic |  | 
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        | Neccesities have a demand which is???? |  | Definition 
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        | What happens to demand when you have less time to adjust? |  | Definition 
 
        | Demand becomes less elastic |  | 
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        | 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% |  | 
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        | 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  |  | 
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        | Term 
 
        | What does income elasticity measure? |  | Definition 
 
        | Quantity responding to income |  | 
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        | 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 |  | 
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        | Number of sellers in a perfectly competitive market |  | Definition 
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        | Perfectly Competitive - products |  | Definition 
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        | Perfectly Competitive - Entry/Exit |  | Definition 
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        | Perfectly Competitive - Price and Quantity |  | Definition 
 
        | Price as low as possible, make as much as we can possibly produce |  | 
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        | Perfectly Competitive - Long Run Profits |  | Definition 
 
        | Profits should equal zero in the long run |  | 
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        | Perfectly Competitive - Key Concept(price related) |  | Definition 
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        | Perfectly Competitive - Examples |  | Definition 
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        | Term 
 | 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
 
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        | 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
 
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        | Term 
 | 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
 
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        | Term 
 | Definition 
 
        | Value that we could have gotten but it does not ever happen |  | 
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        | What does the government do about deadweight loss? |  | Definition 
 
        | Split up companies, regulate, take over companies, ignore the problem |  | 
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        | why do firms in monopolistically competitive markets advertise? |  | Definition 
 
        | to differentiate from other products |  | 
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        | Opponents of advertsing would say? |  | Definition 
 
        | advertising is expensive and it gives up resources |  | 
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        | Which curve can graphically tell you for certain what the market type is?   |  | Definition 
 
        | Demand curve.  Flat= perfectly competitive |  | 
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