Increasing Returns to Scale can lead to an oligopolistic market structure because
Group of answer choices
if the larger firms already in the industry have lower Long-run Average Total Costs, new smaller entrants will not be able to produce at the low costs achieved by the big established firms already in the industry.
if the firms already in the industry have Increasing Returns to Scale, their Average Total Costs remain constant as they produce more output.
the few firms already in the industry will always engage in illegal behavior to keep new entrants out of the industry.
there are no barriers to entry in an oligopolistic industry.