Gijsbrechts, E.

brand quality chain consumer purchase category share model household spillover belief choice consumption cross-brand occasion dish soap pl brands retailer quality beliefs experience marketing parameter marketing research cereal research brand j journal utility product signal cross-pl effect purchase occasion t difference price consumption experiences correlation store uncertainty figure study familiarity spillovers pl brand familiarity variance choice share equation erdem result reputation spillovers sample table increase presence t − 1 purchase occasion quality belief market panel estimate value promotion change label implication quality-level spillovers scenario quality differences brand choice model pl spillovers brand quality consumption-based steenkamp quality-level pattern reputation cross-effect covariance level point