We introduce two pieces of information, denoted memes, into a diffusion process in which memes are transmitted when individuals meet and forgotten at an exogenous rate. At most one meme can be transmitted at a meeting, which introduces opportunity costs in the process. Individuals differ...

We provide evidence that people have preferences for data privacy and show that these preferences partly reflect people's interest in controlling who receives their private information. Participants of an experiment face the decision to share validated personal information with peers. We compare...