We study information sharing between competing sellers in markets where consumers sample sellers sequentially. Sellers can disclose to their rival when they encounter a specific buyer. Providing this information, which we call search disclosure, can enable all forms of search history-based price...

We study optimal mechanisms for a utilitarian designer who seeks to assign a finite number of goods to a group of ex ante heterogeneous agents with unit demand. The agents have heterogeneous marginal utilities of money, which may naturally arise in environments where agents have different wealth...