Marketing expert can talk about the economics of the holiday shopping season

Purush Papatla can talk about the holiday shopping season. How are retailers doing this year? How does marketing change the later into December it gets? Papatla's research is in digital marketing strategy, including online retailing, consumer reviews, online promotions and pricing. He also models Big Data to determine how consumers respond to marketing in social media. He is co-director of the Northwestern Mutual Data Science Institute.