Consider a ride sharing platform, and a large population of strategic potential drivers, heterogeneous in terms of their reservation wages (i.e., income goals). Drivers choose whether or not to work for the platform. The platform is assumed knowledgeable of the different drivers' reservation...

We introduce a game in which a firm offers service at a price to a set of potential customers, who choose whether or not to consume it, and if so, how much to tip the server after having received service. By tipping, customers wish to signal their appreciation for the server, but also wish to...