Here's a link to the original paper: http://www.rotman.utoronto.ca/FacultyAndResearch/AcademicAreas/Marketing/-/media/Files/Programs-and-Areas/Marketing/papers

Here's a link to the original paper: http://www.rotman.utoronto.ca/FacultyAndResearch/AcademicAreas/Marketing/-/media/Files/Programs-and-Areas/Marketing/papers/PolmanEmichPSPB.pdf http://www.rotman.utoronto.ca/FacultyAndResearch/AcademicAre...