We report results from a validation study of Nielsen Homescan data. We use data from a large grocery chain to match thousands of individual transactions that were recorded by both the retailer (at the store) and the Nielsen Homescan panelist (at home). First, we report how often shopping trips...

This paper introduces and formally compares restricted policy simulations in order to distinguish three dynamic forces: consumer response, competitor response and expanded company action. Two rich marketing datasets allow the analysis of retail price, wholesale price, display, feature,...