Smartphone app designers often use behavioral design to influence users, increase sales, and boost advertising revenue. Behavioral design relies on elements ranging from app appearance to black-box algorithms and personalization. It commonly exploits behavioral biases, such as the lack of...

We study a game in which two firms compete in quality to serve a market consisting of consumers with different initial consideration sets. If both firms invest below a certain threshold, they only compete for those consumers already aware of their existence. Above this threshold, a firm is...

This paper shows that the provision of consumer rights can decrease welfare when some consumers remain ignorant of these rights. We find that consumers uninformed about a mandated warranty demand excessively safe products in some circumstances. In other circumstances, uninformed consumers buy...