The scale assesses how expensive and premium a product is perceived to be, distinct from other value measures in that it doesn't explicitly gauge whether the price represents a good deal.
Chu, Xing-Yu, Chun-Tuan Chang, and Angela Y. Lee (2021), "Values Created from Far and Near: Influence of Spatial Distance on Brand Evaluation," Journal of Marketing, 85 (6), 162–175.
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