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S-43
                                                                        SOLUTIONS TO AP  REVIEW  QUESTIONS



             Module 68                                                  what it would have been without the policy. And this
                                                                        will hurt all sectors of the economy that depend on
             Check Your Understanding                                   human capital. The sectors of the economy that might
                                                                        benefit are firms that compete with colleges in the hir-
             1. a. This type of advertising is likely to be useful because it  ing of would-be college professors. For example,
                  provides new information on an important product.
                b. This type of advertising is likely to be wasteful because  accounting firms will find it easier to hire people who
                                                                        would otherwise have been professors of accounting,
                  it is focused on promoting Bayer aspirin over a rival’s
                  aspirin despite the two products being medically      and publishers will find it easier to hire people who
                                                                        would otherwise have been professors of English (easier
                  indistinguishable.
                c. This is useful because the longevity of a business gives a  in the sense that the firms can recruit would-be profes-
                                                                        sors with a lower wage than before). In addition, work-
                  potential customer information about its quality.
             2.   A successful brand name indicates a desirable attribute,  ers who already have college degrees will benefit; they
                                                                        will command higher wages as the supply of college-
                  such as quality, to a potential buyer. So, other things  educated workers falls.
                  equal—such as price—a firm with a successful brand  2. a. The demand curve for labor shifts to the right.
                  name will achieve higher sales than a rival with a com-
                  parable product but without a successful brand name.  b. The demand curve for labor shifts to the left.
                  This is likely to deter new firms from entering an  Tackle the Test:
                  industry in which an existing firm has a successful
                  brand name.                                     Multiple-Choice Questions
             Tackle the Test:                                     1.    b
             Multiple-Choice Questions                            2.    e
             1.   e                                               3.    d
             2.   d                                               4.    b
             3.   a                                               5.    a
             4.   e                                               Tackle the Test:
             5.   d                                               Free-Response Questions
             Tackle the Test:
             Free-Response Questions                              2. a. Wage
                                                                        rate
             2.   Product differentiation is efficient when it conveys useful
                  information to consumers and the marginal benefit of
                  the product differentiation exceeds the marginal cost. It
                  is not efficient from a societal standpoint if it does not
                  convey useful information or other benefits worth more
                  than the resources devoted to it. This is likely to be the
                  case, for example, if it misleads consumers or creates
                                                                                                           Original Labor
                  undesirable market power.                                                                  Demand
             Module 69                                                                                   New Labor
                                                                                                          Demand
             Check Your Understanding                                                                     Quantity of labor
             1.   Many college professors will depart for other lines of
                  work if the government imposes a wage that is lower
                  than the market wage. Fewer professors will result in  b.  Wage
                  fewer courses taught and therefore fewer college       rate
                  degrees produced. It will adversely affect sectors of the
                  economy that depend directly on colleges, such as the
                  local shopkeepers who sell goods and services to stu-
                  dents and faculty, college textbook publishers, and so
                  on. It will also adversely affect firms that use the “out-
                  put” produced by colleges: new college graduates. Firms
                  that need to hire new employees with college degrees
                                                                                                           New Labor
                  will be hurt as a smaller supply results in a higher mar-                                 Demand
                  ket wage for college graduates. Ultimately, the reduced
                                                                                                         Original Labor
                  supply of college-educated workers will result in a lower                                Demand
                  level of human capital in the entire economy relative to                                 Quantity of labor
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