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Which of the following observations was made famous by Adam smith in his book The Wealth of Nations?
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Households and firms interacting in markets are guided by an "invisible hand" that leads them to desirable market outcomes.
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According to the invisible hand principle, competitive markets generally
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Bring in self interest of individuals into harmony with the efficient allocation of resources, even though centralized planning of economic activities is absent
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Which of the following is necessary for the invisible hand of market prices to work properly
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competition and property rights that are well-defined and enforced
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The demand for Chocolate Chip Cookie Dough ice cream is likely quite elastic because
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other flavors of ice cream are good substitutes for this particular flavor.
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price elasticity of demand for a commodity is determined primarily by the
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Attractiveness of the substitutes for the good
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Other things equal, the demand for a good tends to be more inelastic when
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there are fewer available substitutes.
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If the demand is inelastic, and increase in the price of a good will cause total expenditures on the good to
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Rise
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Suppose IBM announces it is cutting the prices of some of its software titles (mainly games) by 25 percent. Assuming that IBM is seeking to increase revenues, it must believe that the elasticity of demand for these products is
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Elastic
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The price of an airline ticket rises as the amount of time between purchase and flight departure gets smaller. The airlines base the policy on the assumption that
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consumer demand becomes more inelastic as departure time approaches.
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A recent study on enrollment at a liberal arts college concluded that demand elasticity is 0.65 The administration is considering a tuition increase to help balance the budget. The revenue-maximizing decision is to
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increase tuition, which would generate more revenue.
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If people buy less flowers at every price when their income fall, then
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Flowers are a normal good
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If a 10 percent in income induced s group of consumers to reduce their yearly purchases of eggs by 5 percent for these consumers
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Eggs are an inferior good
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When economists say the price elasticity of supply is inelastic, they mean that
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suppliers are willing to produce only a small amount more of their good.
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The costs of a firm indicate that desire of consumers for
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Other goods that might have been produced with the same resources
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Which of the following about costs is true?
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The difference between the ATC and AVC curves will decline as output expands.
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If average fixed cost equal $60 and average total costs equal $120 when output is 100, the total variable cost must be
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$6,000
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Jonathan notes that if he produces 10 pairs of shoes per day, his average fixed cost (AFC) is $14 and his marginal cost (MC) is $8; if he produces 20 pairs of shoes per day, his MC IS $15. What is his AFC when output is 20 pairs of shoes per day?
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$7
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Use the table be,it to Asher the following question, what is the marginal cost of producing the third unit of output
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$44
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When the marginal product of labor diminishes
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marginal cost rises
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Which of the following must be true if average total cost are declining
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Marginal cost is less than average average total cost
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Which of the following explains most accurately why the firms short run marginal cost curve will eventually rise?
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When diminishing marginal returns set in, it will take ever-larger quantities of the variable resources to produce an additional unit of output.
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The minimum points of the average variable cost and average total cost curves occur where
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the marginal cost curve intersects those curves.
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In the short run the firms average fixed costs
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always decline as output increases.
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As output rises, marginal product eventually diminishes and
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marginal cost increases