Although size can bring undeniable advantages, such as in terms of resources and diversification, growth can lead to diminishing returns when larger firms can lose their focus and be forced out of the sectors and transaction sizes in which they achieved their early success.

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That makes no sense if you think about businesses trying to maximize their profit from any given transaction, but it makes sense if you remember that customer satisfaction is an important factor in the long-term success of a retail business.

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