Modern anti-trust theory is founded largely on the notion that the neoclassical

of a competitive market is the desired structure and focuses

on discouraging concentration or aggregation among firms.

statements distinguish the Austrian perspective on "monopoly" from the

neoclassical?

a. So long as entry and exit are free, the potential for entrepreneurial

discovery of profit opportunities is sufficient to ensure contestable market

behaviors

b. Many behaviors such as advertising and product differentiation viewed by

neoclassical economists as evidence of monopoly are seen as merely

entrepreneurial competitive activities

c. Both of the above