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Chapters 5, 6, 8, 9 T/F

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Question
Answer
show True  
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show True  
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show True  
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show True  
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When the slope of a demand curve is constant, price elasticity of demand is constant as well.   show
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A demand curve with continuously changing slope over all quantity values will always have a constant price elasticity of demand   show
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A demand curve with constant slope over all quantity values can have a continuously changing price elasticity of demand.   show
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A tax on a good whose demand is price elastic will be effective in discouraging consumption of that good.   show
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show False  
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How total revenue changes when a price changes can be predicted using price elasticity of demand.   show
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When demand is elastic, an increase in price will result in an increase in total revenue.   show
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When demand is elastic, a decrease in price will result in an increase in total revenue   show
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show True  
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When demand is inelastic, a decrease in price will result in an increase in total revenue   show
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When demand is unit elastic, an increase in price will result in an increase in total revenue.   show
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When demand is unit elastic, a decrease in price will result in no change in total revenue.   show
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Chapter 6   show
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Assuming a perfectly competitive market implies that households have perfect knowledge of qualities and prices of everything available in the market.   show
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Homogeneous products are distinguishable from each other.   show
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Price increase cause a decrease in a household's choice set   show
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show True  
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The law of diminishing marginal utility implies that as a household consumes more of a product, its total utility will increase by smaller amounts, assuming marginal utility remains positive.   show
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The law of diminishing marginal utility implies that total utility never reaches a maximum   show
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When consumer maximum utility, they are equating the ratio of marginal utility to price across all goods consumed.   show
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show False  
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show False  
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show False  
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show True  
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Homogeneous products are distinguishable from each other   show
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show True  
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Income increases cause an increase in a household's choice set   show
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Chapter 8   show
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Average fixed costs rise continuously as quantity of output rises   show
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show True  
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The best combination of inputs at one level of production may not be best at other levels.   show
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If marginal cost is increasing, then average variable cost must be increasing simultaneously   show
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Average total cost and average variable cost are minimized at the same level of output.   show
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When the price of a good increases, the budget constraint does not change   show
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show False  
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show True  
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Homogeneous products are distinguishable from each other.   show
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show True  
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show True  
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show True  
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Demand for the product of an industry in perfect competition is assumed to be inelastic   show
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show True  
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show False  
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show True  
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The short-run is a period of less than one year   show
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(Ch8 Q18)The production decision is a short-run decision   show
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show **False? Maybe**  
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(ch8 q20)For a perfectly competitive firm, when P=MC=ATC, te most profit the firm can earn is zero   show
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Firms maximize their profits by producing the output level where MR=MC   show
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show True  
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The upward sloping portion of the perfectly competitive firm's average total cost curve is the firm's short run supply curve.   show
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show True  
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show False  
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Chapter 9   show
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Input prices fall as entry occurs in an increasing-cost industry.   show
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Input prices fall as entry occurs in an decreasing-cost industry   show
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show True  
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show False  
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Information on MC of production is all that is necessary to obtain the long run industry supply curve, because P = MC is the profit-maximization condition for all firms   show
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show True  
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show True  
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In the short run, firms suffering losses should always shut down.   show
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At all prices below the shutdown point, optimal short-run output is zero.   show
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The horizontal sum of marginal cost curves (above AVC) of all the firms in an industry is the short-run industry supply curve   show
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show True  
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show False  
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show True  
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Across different output levels, a firm can experience both economies and diseconomies of scale.   show
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A firm's long-run average cost curve represents the minimum cost of producing each level of output when the scale of production can be adjusted.   show
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A firm that has increasing returns to scale in the long run does not experience diminishing marginal returns in the short run.   show
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