The aim of this paper is to discuss the business model of a free social GPS mobile app for public transportation. The app functioning relies on open data and crowdsourcing. The crossing of transporter data (open data) and service users' data (crowdsourcing) feed the app's algorithm, which in the...

Network hierarchies in the Internet are often not fixed: two providers can be simultaneously input supplier and retailer, in a routing process, while being horizontally competing in another. We introduce a stylised network model capturing these aspects of the Internet to study the impact of...

Do mobile apps influence shopper purchases and product returns? We model the effects of app adoption in the context of a large omnichannel retailer with 32 million shoppers. We leverage the launch of a mobile app by the retailer and use a difference-in-differences approach to identify and...