This paper examines the economic effects of the fulfillment services offered by Amazon (FBA) to the third-party sellers on its retail platform (Amazon 2018). Logistics is critical for e-commerce. By FBA, the service levels of the third-party sellers are substantially improved, and so is their...

Restaurants are increasingly relying on on-demand delivery platforms (e.g., DoorDash, Grubhub, and Uber Eats) to reach customers and fulfill takeout orders. Although on-demand delivery is a valuable option for consumers, whether restaurants benefit from or are being hurt by partnering with these...

We consider on-demand healthcare platforms that allow patients to seek care online from distributed doctors. Healthcare costs have been steadily increasing, while patient experience continues to sour with costly (many times unnecessary) commute and waiting. To alleviate the costs, various...

The large e-commerce platforms now not only provide a venue for the third-party sellers to sell their products but also provide financing services for them. In this paper, we study the impacts of such platform financing on the profits of a supply chain and the platform, as compared to the...