All else constant, an improvement in technology would cause a firm's marginal, average variable, and average total cost functions to increase (graphically, shift up)

By definition, inalienable rights:

A. would never be violated in a free market environment. B. do not exist. C. cannot be sold or given away. D. belong to individuals, and so they can sell them or give them away.

In the long run, firms in a monopolistically competitive market operate at:

A. a more-than-efficient scale. B. an efficient scale. C. a less-than-efficient scale. D. Any of these could be true, depending on the individual firm.