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Competitive advantage occurs when there are several firms in an industry providing similar and not identical products.

Unlike giant corporations, these firms have very little ability to limit stockpile or elevate price to increase profits.

Private enterprises typically attempt to separate their goods in order to attain above-market rates of return.

Competition necessarily requires four conditions: a large competitors, related but not perfectly interchangeable products, low entry barriers, and imperfect information.

Monopoly occurs when businesses make pricing and outcome choices as if they are monopolies.

In other words, they will produce at the point in which the contribution margin equal to the marginal cost.

Profits of perfect competition firms may eventually be reduced by free market entry.