Bhattacharya, C. B.; Fader, Peter S.; Lodish, Leonard M.; … - 1996
A criticism of purchase-based brand loyalty measures is that they are confounded by the marketing mix variables that … affect brand choice. This paper investigates the magnitude and direction of the associations for share of category … requirements (SCR), defined as each brand's share among the group of households who bought the brand at least once during the time …