Different mechanisms through which easier access to physical stores could affect customers’ online purchase behavior are not well understood in the literature. We use customer-level data of a large apparel retailer to estimate the treatment effect of store openings on the online purchase...

Opinion spammers exploit consumer trust by posting false or deceptive reviews that may have a negative impact on both consumers and businesses. These dishonest posts are difficult to detect because of complex interactions between several user characteristics such as review velocity, volume, and...