Using a laboratory experiment, we study the evolution of economic networks in the context of fragmented social identity. We create societies in which members can initiate and delete links to others, and then earn payoffs from a public goods game played within their network. We manipulate whether...

A principal (receiver) considers whether to accept a project whose total value depends on two aspects. In each period, an agent (sender) privately learns the value of one aspect with positive probability. We compare two common reporting protocols: frequent updating, which requires the sender to...