ECO 561 Course Great Wisdom / tutorialrank.com ECO 561 Course Great Wisdom / tutorialrank.com | Page 13

15) A firm can hire six workers at a wage rate of $8 per hour but must pay $9 per hour to all of its employees to attract a seventh worker. The marginal wage cost of the seventh worker is: A. $15. B. $9. C. $10. D. $21. 16) Oligopoly is difficult to analyze primarily because: A. output may be either homogenous or differentiated. B. the number of firms is too large to make collusion understandable. C. the price and output decisions of any one firm depend on the reactions of its rivals. D. neither allocative nor productive efficiency is achieved. 17) A competitive firm will maximize profits at that output at which: A. total revenue exceeds total cost by the greatest amount. B. total revenue and total cost are equal. C. price exceeds average total cost by the largest amount. D. the difference between marginal revenue and price is at a maximum. 18) An industry comprised of a small number of firms, each of which considers the potential reactions of its rivals in making price-output decisions is called: A.