Why Are Products Sold on Sale?: Explanations of Pricing Regularities
报告了降价定价实践随时间的有趣变化以及产品线内的定价差异，发现价格歧视和不确定性假说比高峰负荷假说更能解释数据，时尚因素的重要性随时间增加，解释了近年零售服装价格更大的季节性变动。
This paper reports on interesting changes in markdown pricing practices over time and differences in the pricing within a product line. The price discrimination and the uncertainty hypotheses appear to better explain the data than the peak load hypothesis. Fashion has become more important over time and appears to explain the greater seasonal variation in retail apparel prices in recent years. Differences in uncertainty also explains differences in the pricing of different types of men's dress shirts.