15) a purely competitive firm is precluded from making economic profit in the long run
because:
a.it is a “price taker.”
b.its demand curve is perfectly elastic.
c.of unimpeded entry to the industry.
d.it produces a differentiated product.
16) The marginal revenue product of any input is the:
A.cost of an additional unit of that input.
B.added profits resulting from the use of one more unit of that input.
C.additional output resulting from the use of one more unit of that input.
D.additional revenue resulting from the use of one more unit of that input.
17) other things equal, immigration has what effects on the destination nation?
a.reduced average wage rate, increased domestic output, increased business income,
and lower total wage income of native-born workers.
b.reduced average wage rate, increased domestic output, increased business income,
and greater total wage income of native-born workers.
c.increased average wage rate, increased domestic output, increased business income,
and greater total wage income of native-born workers.
d.increased average wage rate, reduced domestic output, reduced business income, and
lower total wage income of native-born workers.
18) ebenezer likes to decorate the exterior of his house for the christmas holidays. if his
neighbors enjoy the display then it has created:
a.a negative externality, and government should respond by subsidizing holiday
displays.
b.a negative externality, and government should respond by taxing holiday displays.
c.a positive externality, and government should respond by subsidizing holiday
displays.
d.a positive externality and government should respond by taxing holiday displays.