Mobile application usage is becoming an essential activity in many people's daily lives. Compared with PC internet, mobile internet usage is ubiquitous, temporally fragmented, and more context-dependent. Thus far research is limited on the mechanism of mobile app usage and the effects of...

With the emergence of online channels, more niche products are sold compared to traditional channels, and it has resulted in more product variety. This “Long Tail” effect has distributed the sales among more products, reducing the importance of the mainstream top-selling items. Using a rich...

Online marketplaces are increasingly adopting innovative business models such as using paid advertising as a major revenue source. We explore the two popular advertising tools, sponsored search and social media endorsement, in attracting web traffic from online sellers' perspective. We estimate...

Outstream video advertising is becoming increasingly popular in the industry. Differing from the instream video advertisements (ads) embedded in video content, outstream video ads auto-play in non-video environments when a user navigates to them. On online shopping websites and apps, sponsored...