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READ THE CATEGORIES ON TABLES
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YOU FOOL!!!
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Monopolies and perfectly competitive firms both...
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Maximize profit by equating marginal revenue with cost; average revenue is equal to price
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Total costs only include...
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explicit costs (price of materials, fixed costs)
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TOTAL COSTS do NOT include...
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opportunity costs
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Jessica makes photo frames. She spends $5 on the materials for each photo frame. She can create one photo frame in an hour. She earns $10 per hour at a part-time job at the local coffee shop. She can sell a photo frame for $30 each.
An accountant would calculate the total cost for one photo frame to be...
An accountant would calculate the total cost for one photo frame to be...
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$5
because of TOTAL COST
because of TOTAL COST
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Thirsty Thelma owns and operates a small lemonade stand. When Thelma is producing a low quantity of lemonade she has few workers and her equipment is not being fully utilized. Because she can easily put her idle resources to use,
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c.
the marginal cost of one more glass of lemonade is smaller than if output were high.
the marginal cost of one more glass of lemonade is smaller than if output were high.
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The fundamental reason that marginal cost eventually rises as output increases is because of
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b.
diminishing marginal product.
diminishing marginal product.
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Land of Many Lakes (LML) sells butter to a broker in Albert Lea, Minnesota. Because the market for butter is generally considered to be competitive, LML does not
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b.
choose the price at which it sells its butter.
choose the price at which it sells its butter.
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If marginal cost exceeds marginal revenue, the firm
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a.
may still be earning a positive accounting profit.
may still be earning a positive accounting profit.
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Marginal cost is equal to
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change in total cost divided by change in output OR change in profit
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The exit of existing firms from a competitive market will
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b.
decrease market supply and increase market price.
decrease market supply and increase market price.
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Entry and exit of a perfectly competitive market will end when
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economic profits are zero and price equals minimum average total cost
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Patents and copyrights
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encourage creative activity
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Monopolies of drug companies
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encourage research, increase an overall welfare, and increase the availability of medications
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total revenue
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the amount the firm receives for the sale of its outputs
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total cost
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the amount the firm pays to buy inputs
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profit
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a firms total revenue minus total costs
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explicit costs
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input costs that require an outlay of money by the firm
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implicit costs
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input costs that do not require an outlay of money by the firm
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economic profit
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total revenue minus total cost, including both explicit and implicit costs
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accounting profit
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total revenue minus total explicit cost
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production function
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the relationship between quantity of inputs used to make a good and the quantity of output of that good
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marginal product
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the increase in output that arises from an additional unit of input
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diminishing marginal product
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the property whereby the marginal product of an input declines as the quantity of the input increases
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fixed costs
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Costs that do not vary with the quantity of output produced
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variable costs
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costs that vary with the quantity of output produced
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average total cost
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total cost divided by the quantity of output
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average fixed cost
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fixed cost divided by the quantity of output
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average variable cost
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variable cost divided by the quantity of output
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marginal cost
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the increase in total cost that arises from an extra unit of production
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efficient scale
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the quantity of output that minimizes average total cost
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economies of scale
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the property whereby long-run average total cost falls as the quantity of output increases
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diseconomies of scale
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the property whereby long-run average total cost rises as the quantity of output increases
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constant return to scale
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the property whereby long-run average total cost stays the same as the quantity of output changes
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competitive market
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a market with many buyers and sellers trading identical products so that each buyer and seller is a price taker
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characteristics of a competitive market
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-Many buyers and sellers
-The goods sold by each vendor are similar
-No one individual has any influence over the price
-Firms can freely enter and exit the market
-The goods sold by each vendor are similar
-No one individual has any influence over the price
-Firms can freely enter and exit the market
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average revenue
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total revenue divided by the quantity sold
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marginal revenue
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the change in total revenue from an additional unit sold
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As long as marginal revenue exceeds marginal cost...
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increasing the quantity produced raises profit
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Marginal revenue equals the price of the good in...
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a competitive market
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Three general rules for profit maximization
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1. If marginal revenue is greater than marginal cost, the firm should increase its output
2. If marginal cost is greater than marginal revenue, the firm should decrease its output
3. At the profit-maximizing level of output, marginal revenue and marginal cost are exactly equal
2. If marginal cost is greater than marginal revenue, the firm should decrease its output
3. At the profit-maximizing level of output, marginal revenue and marginal cost are exactly equal
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A shutdown happens when...
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a firm makes a short-run decision not to produce anything during a specific period of time because of current market conditions
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Exit refers to...
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a long-run decision to leave the market
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The short-run and long-run decisions differ because...
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most firms cannot avoid their fixed costs in the short-run but can long-run
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sunk cost
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a cost that has already been committed and cannot be recovered
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Monopoly
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a firm that is the sole seller of a product without close substitutes
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natural monopoly
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a type of monopoly that arises because a single firm can supply a good or service to an entire market at a lower cost than could two or more firms