58. Ten cases of spring water are sold for $6 each, and the marginal product of the last unit of labor is 5. If
the price of a case increases from $6 to $8, then the marginal revenue product of the last unit of labor
would
59. An increase in the demand for automobiles will increase the demand for labor used to produce the
automobiles due to
an increase in the marginal revenue product of labor.
a decrease in the marginal revenue product of labor.
an increase in the marginal revenue product of automobiles.
a decrease in the marginal revenue product of automobiles.
a decrease in the price of automobiles.
60. If a profit-maximizing firm hires an additional unit of labor, what must be true about labor’s wage and
marginal revenue product?
Its wage always equals its marginal revenue product.
Its wage is always greater than its marginal revenue product.
Its wage is always total revenue minus marginal revenue product.
Its wage is always less than or equal to its marginal revenue product.
61. If a firm is using a resource hired in a perfectly competitive market, and if the marginal resource cost is
less than its marginal revenue product,
more of the resource should be used.
less of the resource should be used.
the firm should pay a lower price for the resource.
the firm should pay a higher price for the resource.
the firm is using the optimal amount of the resource.
62. If a firm is using a resource hired in a perfectly competitive market, and if the price of the resource
exceeds the marginal revenue product of the resource,
more of the resource should be used.