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Microeconomics
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The study of the choices that individuals and businesses make
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Positive statement
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Fact based statement
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Example of positive statement
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Online shopping increased by 50% this Christmas season
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Name a real flow of a factor of production from the circular flow model
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Labor
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Social security is a tax deducted from your paycheck. In the circular flow model this is shown as
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Taxes flowing from households to governments
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Moving from one point to another on a production possibilities frontier implies
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Increasing the production of one good and decreasing the production of another
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If an economy cannot produce more of one good without producing less of another good , what does this imply?
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Production efficiency has been achieved
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Why is a production possibilities frontier bowed out (concave)?
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The bowed shape reflects increasing opportunity cost
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Consider a PPF with consumption goods on the horizontal axis and capital goods on the vertical axis. If the country operates on its PPF near its ___________ axis, this country ___________.
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Vertical; will experience economic growth
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A country has a comparative advantage in the production of a good if it can
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Produce the good at the lowest opportunity cost
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What do specialization and trade allow nations to do?
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Allows nations to consume combinations of products that are outside their individual production possibilities frontier
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What is a competitive market?
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A market that has so many buyers and sellers that no one can influence the price
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Gasoline prices increase by 50% and other things remain the same. As a result, there is
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A decrease in the quantity of gasoline demanded
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Hot dogs and buns are compliments. What will happen if the price of a hotdog falls?
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The demand for hot dog buns will increase
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What happens when the price of oranges increase
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The quantity of oranges supplied increases
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Oil refiners can refine a barrel of petroleum so that it yields either more home heating oil or more diesel fuel. If the price of diesel fuel falls, there is
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An increase in the supply of home heating oil
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Suppose over the next few years the productivity of firms producing electric cars improved dramatically. The advance in productivity leads to
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An increase in the supply of electric cars so that the supply curve shifts rightward
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The initial equilibrium price in the market for web pages is $200 per page and 1000 web pages are created a month. Many new web page design firms enter the market. As a result,
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The supply of web pages increase and the price falls
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If the demand curve for desktop computers shifts rightward and at the same time the supply curve shifts leftward, then
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The equilibrium price definitely rises
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If both producers and consumers believe that a products price will rise in the future, then at the present, demand _______________ and supply _________________
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Increases, decreases
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Suppose improvements in technology cause the supply of natural gas to increase and at the same time the demand for natural gas increases. What are we sure of?
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Equilibrium quantity increases
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If the percentage change in price is 10% and the demand is elastic, then the percentage change in the quantity demanded is
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Larger than 10%
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Suppose the demand for rescue services in our national parks is perfectly inelastic. This fact would mean that a 31% increase in rescue fees leads to
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No change in the quantity demanded
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If a product is narrowly defined it is likely to
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Have many substitutes and therefore demand is elastic
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You own a small store, your cashier thinks you should raise prices to increase your total revenue and your customer thinks you should lower prices to increase your total revenue. The cashier thinks the price elasticity of demand is ______________ and the customer believes the price elasticity of demand is _______________
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Inelastic, elastic
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What does the supply curve look like for a good with a perfectly elastic supply?
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A horizontal line with a slope of zero
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If a 1% increase in the price of X increases the quantity demanded of Y by 2%, then X and Y are
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Substitutes and the cross elasticity of demand equals 2
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People eat at restaurants less often when their incomes fall because of a recession. Eating at restaurants must be
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A normal good
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The phrase "decreasing marginal benefit" means thag
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Each additional unit of a good you consume gives you less additional benefit than the previous unit
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A point on the demand curve shows the
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Maximum price that people are willing to pay for another unit of a good
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Jake just bought a new hockey stick. When he was leaving the shop, he thought that he got such a great deal and would have otherwise paid $50 more dollars for the stick. Jack received
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Consumer surplus
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What does the supply curve show
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The minimum price that firms must receive to supply a certain quantity of a good
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The supply curve is the same as a
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Marginal cost curve
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Hester owns an ice cream shop. It costs her $2 per cone to make 10 ice cream cones. If she sells 10 cones for $4 each, her producer surplus on the 10 cones is equal to
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$20
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Efficiency occurs in a market when
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The same of consumer surplus and producer surplus is maximized
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At a competitive equilibrium, if there are no taxes, subsidies, price regulation, quantity regulations, or externalities, then
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Recourse use is efficient
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The incidence of a tax refers to
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The division of the burden of a tax between buyers and sellers
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If the average tax rate increases as income increase, then what type of tax is this?
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Progressive tax
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The sales tax in Dutches County, NY is 7.5%. This sales tax is
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Regressive
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Using fuel taxes to pay for maintaining public highways is an example of
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The benefits principle of fair taxation
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Economics studies how
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We make choices in the face of scarcity
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Example of a microeconomic topic
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Northwest airlines analyzing the benefits of adding one more flight to Salk Lake City
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Mary is currently buying apples and oranges such that the last unit of apples has 30 units of utility and the last unit of oranges has 40 units of utility. She has allocated her entire budget. If the price of an apple is 10 cents and the price of an orange is 20 cents, to ,animists her utility, what should Mary do?
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Buy more apples and fewer oranges
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The demand curve for macadamia nuts is downward sloping. This slope is because consumers maximize their utility and an increase in price of macadamia nuts leads to
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A decrease in the marginal utility per dollar from macadamia nuts
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When economist uses the term "cost" referring to a firm, the con omits refers to the
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Opportunity cost of producing a good or service, which includes both implicit and explicit cost
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What are these
- the salary Jim could earn at another job
- the it wrest Jim lost when he used his savings to help open his business
- the salary Jim could earn at another job
- the it wrest Jim lost when he used his savings to help open his business
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Implicit costs of jims business venture
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Define a normal profit
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The return to entrepreneurship
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Suppose that a firm earned 500,000 in total revenue. At the same time, isn't incurred labor costs of 200,000, economic depreciation of 50,000, normal profit of 75,000, interest paid to the bank of 25,000, and used other factors of production that cost 100,000. The economic profit earned by the firm equals
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50,000
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True or false
When the marginal product exceeds the average product, the average product must be increasing
When the marginal product exceeds the average product, the average product must be increasing
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True
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What does the long run average cost curve show
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Shows the lowest average cost facing a firm as it increases output ch aging both its plant and labor force
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In the long run, if 1000 units are produced at a cost of 8000 and 1200 units at a cost of $9200 then over this range of output there are
A. Constant diseconomies of scale
B. Constant economies of scale
C. Constant returns to scale
D. Economies of scale
E. Diseconomies of scale
A. Constant diseconomies of scale
B. Constant economies of scale
C. Constant returns to scale
D. Economies of scale
E. Diseconomies of scale
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D. Economies of scale
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A firm decrease its scale of operation and discovers that it's long- run average costs decrease. What does this indicate?
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The firms scale initially was so large that it experienced diseconomies of scale
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How does the demand for any one sellers product in perfect competition compare to the market demand for that product?
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The demand for any one sellers product is perfectly elastic while the market demand curve is downward sloping
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In perfect competition, what does marginal revenue equal?
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Marginal revenue is equal to the market price
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A perfectly competitive market is in equilibrium and then demand decreases. The decrease in demand means the market price will ___________ and eventually there will be ________
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Fall, exit by existing firms
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Suppose the cost of a CD is $20. As o line retailers enter the market with new technology, the price of CDS ____________, and traditional music stores find that _______________
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Decreases, their AVC exceeds the new lower price and th exit the industry
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If a single firm can meet the entire market demand at a lower average total cost than a larger number of smaller firms, the single firm is
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A natural monopoly
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The marginal revenue for a single price-monopoly with a downward sloping demand curve
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Is less than the price
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Suppose a monopoly can sell 10 units of output for $21. In order to sell 11 units of output, the price must fall to $20. What is the marginal cost of revenue of the 11th unit?
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$10
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Allegiant Air holds a natural monopoly on most of the routes it serves in the United States. Allegiant Air ___________ operate on the ___________ portion of its demand curve when total revenue is _____________
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Will always, elastic, increasing
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A single price monopoly has marginal cost of $23 and marginal revenue of $28. True or false
To increase profit, it should produce more
To increase profit, it should produce more
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True
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With perfect price discrimination, a monopoly can extract the __________ price each customer is willing to pay and thereby obtain the entire ____________ surplus
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Maximum, consumer
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With perfect price discrimination, the quantity of output produced by a monopoly is __________ the quantity produced by a perfectly competitive industry
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Equal to but not greater than
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Which market structure do the following characteristics represent?
- a large number of firms compete
- each firm produces a differentiated product
- firms are free to enter and exit
- a large number of firms compete
- each firm produces a differentiated product
- firms are free to enter and exit
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Monopolistic competition
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Each of the four firms in an industry has a market share of 25%. The Herfindahl-Hirschman Index equals
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2,500
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In the long run, a firm in monopolistic competition will
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Produce so that its price equals average total cost
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Excess capacity exists when a firm produces
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Less than the quantity that minimizes average total cost
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Advertising costs and other selling costs are
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Fixed costs
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What is found ONLY in oligopoly
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One firms actions affect another firms profit
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Imagine a duopoly in which two firms, A and B, produce the monopoly profit- maximizing output and equally share the economic profit. If firm A increases its output, the market price __________ and total economic profit of the two firms combined ___________
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Falls, deceases
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What is a Nash equilibrium in the duopoly game?
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Occurs when each player takes the best possible action regardless of the strategy chosen by other firms
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The focus of antitrust legislation is to
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Maintain competition
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What market structure results in allocative efficiency
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Perfect competition