Product assortment is a critical competitive tool for retailers to increase sales, maximize profits, and attain customer satisfaction. Increasingly, more and more retailers provide in-store product assortment information online or via smartphone apps for consumers to check if their preferred...

Social media not only is a new channel to obtain financial market information but also becomes the venue for investors to share and exchange investment ideas. We examine the performance consequences of providing monetary incentive to both existing and new amateur analysts on social media and its...

This article studies whether and how mobile Internet networks compete with traditional fixed-line Internet networks by examining the how the quality of local fixed-line Internet service influences mobile Internet adoption and use. An empirical analysis shows that local fixed-line Internet speed...

Dozens of markets of all types are in the early stages of a revolution as the Internet and related technologies vastly expand the variety of products that can be produced, promoted and purchased. Although this revolution is based on a simple set of economic and technological drivers, the authors...

We present findings from a controlled field experiment that allows us to investigate the dynamic effects of retail advertising. The experimental design overcomes limitations that have hindered previous investigations of this issue. Our study uncovers dynamic advertising effects that have not...

The Internet is a much more accountable and measurable medium than traditional media. The unique property of the Internet being a medium with bidirectional information flows has enabled performance-based pricing models that tie online advertising payments directly to campaign measurement data...

We present a framework and empirical estimates that quantify the economic impact of increased product variety made available through electronic markets. While efficiency gains from increased competition significantly enhance consumer surplus, for instance by leading to lower average selling...

Despite the widespread adoption of recommender systems by online investment platforms, empirical research into their impact on online investors’ behaviors is scarce. Using data from a global e-commerce platform, the authors of this study adopt a regression discontinuity design and causally...