Which of the following statements is false concerning the number of operating segments that should be disclosed? Select one: a. At least 75 percent of total company sales made to outsiders should be presented. b. The practical limit to the number of operating segments is 10. c. If an operating segment qualifies for disclosure in the current year, prior period segment data presented for comparative purposes must be restated to reflect the newly reportable segment as a separate segment. d. If the 75 percent rule is not met by the results of applying all three reporting tests, additional segments must be disclosed separately despite their failure to satisfy even one of the three quantitative thresholds. e. Even though an operating segment has been reportable in the past and is of continuing significance, it must meet at least one of the three reporting tests to report separately in the current year.

Ajustification for job training programs is that they improve worker productivity. suppose that you are asked to evaluate whether more job training makes workers more productive. however, rather than having data on individual workers, you have access to data on manufacturing firms in ohio. in particu- lar, for each firm, you have information on hours of job training per worker (training) and number of nondefective items produced per worker hour (output). (i) carefully state the ceteris paribus thought experiment underlying this policy question. (ii) does it seem likely that a firm’s decision to train its workers will be independent of worker characteristics? what are some of those measurable and unmeasurable worker characteristics? (iii) name a factor other than worker characteristics that can affect worker productivity. (iv) if you find a positive correlation between output and training, would you have convincingly established that job training makes workers more productive? explain.

(a) what was the opportunity cost of non-gm food for many buyers before 2008? (b) why did they prefer the alternative? (c) what was the opportunity cost in 2008? (d) why did it change?

Afirm’s production function is represented by q(m,r) = 4m 3/4r1/3, where q denotes output, m raw materials, and r robots. the firm is currently using 6 units of raw materials and 12 robots. according to the mrts, in order to maintain its output level the firm would need to give up 2 robots if it adds 9 units of raw materials. (a) true (b) false