In perfectly competitive markets, bundling should happen only if it is more efficient than selling the products separately.

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Competition between banks will tend to bring the lending and borrowing rates closer together, theoretically squeezing bank profits to zero in the ideal case of a perfectly competitive market.

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In oligopoly, a few big firms compete with each other, but not primarily by trying to charge the lowest prices, which are thus usually higher than in a perfectly competitive market.

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On the most abstract level this is because liquidity earns real rents, those rents are distilled by a perfectly competitive market and ultimately accrue to the owners of the irreproducible factors of production.

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They stop companies from engaging in perfectly legitimate, perfectly voluntary competitive actions, such as the sorts of pricing agreements that have come under fire in the Apple case.

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Thus devolution to a competitive freed market may not satisfy the criteria of justice perfectly in every respect.

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He went on to say playing competitive sport for a school was "intrinsically exclusive" and it was "perfectly sensible to have lots of other physical activities for children who loathed PE".

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