According to the marginal productivity theory of income
A) the greater the quantity of resources owned by an individual, the greater his
incentive to increase productivity and his income.
B) the average income received by an individual who supplies resources is influenced
by the resources owner’s marginal productivity.
C) the income received by an individual who supplies labor services equals the
incremental benefit generated to the firm by that individual’s labor.
D) the income received by an individual who supplies labor services equals the profit
generated to the firm by that individual’s labor.
Although some economists believe network externalities are important barriers to entry,
other economists disagree because
A) they believe that the dominant positions of firms that are supposedly due to network
externalities are to a greater extent the result of the efficiency of firms in offering
products that satisfy consumer preferences.
B) they believe that most examples of network externalities are really barriers to entry
caused by the control of a key resource.
C) network externalities are really negative externalities.
D) they believe that the dominant positions of firms that are supposedly due to network
externalities are to a greater extent the result of economies of scale.