1. Pairing Provision Price and Default Remedy: Optimal Two-Stage Procurement with Private R&D Efficiency, (with Jingfeng Lu), The RAND Journal of Economics, forthcoming.
2. Optimal Prize Allocation in Contests: The Role of Negative Prizes, (with Jingfeng Lu, Ruqu Wang, and Jun Zhang), Journal of Economic Theory, 175 (2018), 291-317.
3. Many-To-Many Disjoint Paths in Hypercubes with Faulty Vertices, (with Xiang-Jun Li, Meijie Ma, and Jun-Ming Xu), Discrete Applied Mathematics, 217 (2017), 229-242.