noun
shower effect
A marketing theory: placing popular items on upper floors draws customers upward, and they browse lower floors on the way down, increasing overall sales. Compare 噴水効果 (fountain effect), which describes a similar flow from lower to upper floors.
See also: 噴水効果
デパートでは、シャワー効果を狙って人気商品を上の階に置くことがある。
Department stores sometimes place popular items on upper floors to take advantage of the shower effect.