The Trickle-up Theory explains how knockoffs can appear before originals by suggesting that styles start in subcultures and move into mainstream fashion.
Trickle-down Theory states that individuals of higher socioeconomic status set trends that lower classes follow. In contrast, the Trickle-up Theory argues that fashion ideas begin with lower classes and move up to higher classes. Knockoffs appearing before originals can be explained by the
Trickle-up Theory, where styles originating from subcultures filter into mainstream fashion.
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