Donkers, A.C.D.

model customer effect mailing value brand marketing result choice behavior research charity decision consumer journal service product information dealer number level table purchase variable parameter search study probability response individual screening estimate retention relationship income saving uncertainty preference utility respondent insurance health sample estimation amount distribution function alternative example company quality retirement irritation household question impact experiment donation pharmacy patient management measure condition customs-related transaction costs performance difference assumption future market selection treatment 0.000 probit characteristic satisfaction attribute index strategy brand retention erasmu