Rollerbeam Inc., a provider of engineering services, is looking to hire several maintenance engineers. Rollerbeam's HR department checks with the company's engineering department to confirm that the scenarios mentioned in the test are plausible real-world scenarios that maintenance engineers might face. Which of the following types of validation is Rollerbeam's HR team performing?a. Criterion
b. Concurrent
c. Content
d. Predictive

4. suppose that pollution in a neighborhood comes from two factories, with marginal benefit curves given by mb1 = 12 – p1 and mb2 = 8 – p2. the level of pollution in the neighborhood is given by p = p1 + p2. the government wants to limit pollution by instituting a pollution-rights market. the government’s desired level of p is 10, so it prints 10 pollution rights and offers them for sale to the firms.a)find the equilibrium selling price of a pollution right, as well as the allocation of rights (and hence pollution levels) across the two factories. b)repeat part (a) for the case where the government’s desired level of pollution equals 14. c)comment on the usefulness of a pollution rights market in achieving efficient levels of pollution abatement.

Pennewell publishing inc. (pp) is a zero growth company. it currently has zero debt and its earnings before interest and taxes (ebit) are $80,000. pp's current cost of equity is 10%, and its tax rate is 40%. the firm has 10,000 shares of common stock outstanding selling at a price per share of $48.00. refer to the data for pennewell publishing inc. (pp). pp is considering changing its capital structure to one with 30% debt and 70% equity, based on market values. the debt would have an interest rate of 8%. the new funds would be used to repurchase stock. it is estimated that the increase in risk resulting from the added leverage would cause the required rate of return on equity to rise to 12%. if this plan were carried out, what would be pp's new value of operations? a. $484,359 b. $521,173 c. $584,653 d. $560,748 e. $487,805

Which of the following is an example of a production quota? a. the government sets an upper limit on the quantity that each dairy farmer can produce. b. the government sets a price floor in the market for dairy products. c. the government sets a lower limit on the quantity that each dairy farmer can produce. d. the government guarantees to buy a specified quantity of dairy products from farmers.