Economic Definition of principle of minimum differences. Defined.
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Term principle of minimum differences Definition: A principle stating that monopolistically competitive firms seek to maintain similarities between products at the same time they promote differences. Similarities enable substitutability, such that one firm can attract the buyers away from other firms. Differences enable uniqueness and market control, such that each firm has market control and is able to charge a higher price than achieved with perfect competition. This principle is also termed Hotelling's paradox.