Donkers, B.

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