TY - GEN AU - HUI, SAM K AU - INMAN, JEFFREY J TI - Effect of in-store travel distance on unplanned spending: Applications to mobile promotion strategies PY - 2013/// KW - MARKETING N2 - Typically shoppers' paths only cover less than half of the areas in a grocery store. Given that shoppers offen use physical products in the store as external memory cues, encouraging shoppers to travel more of the store may increase unplanned spending. Estimating the direct effect of instore path dataand the endogeneity of in store travel distance. To address both issues, the authors collect a novel data set using in store radio frequency identification tracking and develop an industrial variable approach to account for endogeneity ER -