ECO101H1 Study Guide - Quiz Guide: Sunk Costs, Marginal Product, Marginal Cost

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ECO101H1 Full Course Notes

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Explicit costs- input costs that require an outlay of money by the firm. Implicit costs- input costs that do not require an outlay of money by the firm. Economic profit- total revenue minus total cost, including both explicit and implicit costs. Accounting profit- total revenue minus total explicit cost. Production function- the relationship between quantity of inputs used to make a good and the quantity of output of that good. Marginal product- the increase in output that arises from an additional unit of input. Diminishing marginal product- the property whereby the marginal product of an input declines as the quantity of the input increases. Efficient scale- the quantity of output that minimizes average total cost (global min of atc) Economies of scale- the property whereby long-run average total cost falls as the quantity of output increases. Diseconomies of scale- the property whereby long-run average total cost rises as the quantity of output increases.

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___A curve that displays all the various combinations of inputs that will produce a given amount of output.

___The rate at which one input is substituted for another along an isoquant.

___Line that shows all the possible combinations of inputs that can be purchased for a given total cost.

___A curve showing all of the cost-minimizing levels of input usage for various levels of output.

___When the usage of all inputs is increased by an equal proportionate amount, output ___increases by exactly the same proportion.

___When the usage of all inputs is increased by an equal proportionate amount, output increases by a larger proportionate amount.

___When the usage of all inputs is increased by an equal proportionate amount, output increases by a smaller proportionate amount.

___Cost per unit in the long run.

___The change in long-run total cost per unit change in output.

___When long-run average cost falls as output increases.

___When long-run average cost increases with increases in output.

___Long-run average and marginal costs are equal for all levels of output.

___The situation in which the joint cost of producing two goods is less than the sum of the separate costs of producing the two goods.

___Horizontal line showing the cost-minimizing input combinations for various output levels when capital is fixed in the short run.

aquamarineguinea-pig889

36) A firm encountering economies of scale over some range of output will have a:

a) rising long-run average cost curve.

b) falling long-run average cost curve.

c) constant long-run average cost curve.

d) rising, then falling, then rising long-run average cost curve.

37) When a firm doubles its inputs and finds that its output has more than doubled, this is known as:

a) economies of scale.

b) constant returns to scale.

c) diseconomies of scale.

d) a violation of the law of diminishing returns.

38) The larger the diameter of a natural gas pipeline, the lower is the average total cost of transmitting 1,000 cubic feet of gas 1,000 miles. This is an example of:

a) economies of scale.

b) normative economies.

c) diminishing marginal returns.

d) an increasing marginal product of labor.

39) If all resources used in the production of a product are increased by 20 percent and output increases by 20 percent, then there must be:

a) economies of scale.

b) constant returns to scale.

c) diseconomies of scale.

d) increasing the average total costs.

40) Economies and diseconomies of scale explain why the:

a) short-run average fixed cost curve declines so long as output increases.

b) marginal cost curve must intersect the minimum point of the firm's average total cost curve.

c) long-run average total cost curve is typically U-shaped.

d) short-run average variable cost curve is U-shaped.

jadeshark411

Q1. Average total cost is equal to
a. AFC + AVC
b. AFC/total output
c. AFC/AVC
d. AVC/AFC

Q2. As output increases, the ATC
a. increases
b. decreases
c. remains constant
d. falls and then rises

Q3. Total profit is equal to
a. total revenue minus total cost
b. total revenue minus explicit cost
c. total revenue minus variable cost
d. total revenue minus marginal cost

Q4. Marginal cost crosses the
a. AVC curve at the highest point of the AVC curve
b. ATC curve at the lowest point of the ATC curve
c. AFC curve at the lowest point of the AFC curve
d. ATC curve at the highest point of the ATC curve

Q5. Wages paid are an example of an explicit cost of doing business.
a. true
b. false

Q6. Any revenue over and above total cost is labeled economic profit.
a. true
b. false

Q7. If the selling price of a product is $10, the average total cost is $8, and total sales are 5,000 units, the total profit will be
a. $5,000
b. $8,000
c. $10,000
d. $20,000

Q8. Whenever marginal revenue exceeds marginal cost,
a. profit declines if output increases
b. profit increases if output increases
c. losses increase if output increases
d. marginal revenue must be rising

Q9. Under perfectly competitive conditions, marginal revenue is
a. greater than average revenue
b. equal to average revenue
c. less than average revenue
d. equal to the average variable

Q10. A firm's break-even point occurs where
a. marginal revenue equals marginal cost
b. marginal revenue equals average variable cost
c. total revenue equals total cost
d. total revenue equals total variable cost

Q11. The addition to total output resulting from using one more unit of a productive resource is the
a. average product
b. marginal input
c. total product
d. marginal product

Q12. Unlike a firm in pure competition, a monopolist may be able to
a. block the entry of new firms into the industry
b. continue to earn economic profits in the long run
c. earn economic profits in the short run
d. both (a) and (b)

Q13. Producer surplus is the difference between the price the firm is willing to sell its goods and the price it actually receives.
a. true
b. false

Q14. In the long run, under conditions of perfect competition, market forces come into play to
a. enhance profits
b. increase demand
c. eliminate profits
d. separate MR and AR

Q15. Consumer surplus is the area above the demand curve and below the equilibrium price.
a. true
b. false

Q16. Under perfect competition, market price is determined by market demand and supply.
a. true
b. false

Q17. The more that firms advertise, the closer they get to perfect competition.
a. true
b. false

Q18. Perfect competition assumes that a producer is interested in maximizing profit.
a. true
b. false

Q19. In the long run, under conditions of perfect competition, the buyer will eventually be able to buy the product at a
a. price equal to the lowest point on the ATC curve past the optimal scale of operation
b. price below cost
c. price equal to the lowest point on the ATC curve at the optimal scale of operation
d. discount

Q20. The lowest possible ATC curve is attained at the optimal scale of output.
a. true
b. false

ECO101H1 Study Guide - Quiz Guide: Sunk Costs, Marginal Product, Marginal Cost

ECO101H1 Full Course Notes

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