Ordinal Approximation for Social Choice, Matching, and Facility Location Problems Given Candidate Positions.- Infinite-Duration Poorman-Bidding Games.- Incentives and Coordination in Bottleneck Models.- Strategy-Proof Incentives for Predictions.- Revealed Preference Dimension via Matrix Sign Rank.- Timing Matters: Online Dynamics in Broadcast Games.- A Simple Mechanism for a Budget-Constrained Buyer.- The Communication Complexity of Graphical Games on Grid Graphs.-Approximating the Existential Theory of the Reals.- Pricing Multi-Unit Markets.- Optimal Pricing for MHR Distributions.- Learning Convex Partitions and Computing Game-theoretic Equilibria from Best Response Queries.- The Fluid Mechanics of Liquid Democracy.- Equilibrium and Inefficiency in Multi-Product Cournot Games.- Combinatorial Assortment Optimization.- Varying the Number of Signals in Matching Markets.- Simple and Efficient Budget Feasible Mechanisms for Monotone Submodular Valuations.- Social Welfare and Profit Maximization from Revealed Preferences.- Opinion Dynamics with Limited Information.- The Fair Division of Hereditary Set Systems.- Stable Marriage with Groups of Similar Agents.- Byzantine Preferential Voting.- Robust and Approximately Stable Marriages Under Partial Information.- Prophet Inequalities vs. Approximating Optimum Online.- Optimal Mechanism Design with Risk-Loving Agents.- Robust Bounds on Choosing from Large Tournaments.- Equilibria in Routing Games with Edge Priorities.- Cost-Sharing Games in Real-Time Scheduling Systems.- How to Hide in a Network.- Multiplicative Pacing Equilibria in Auction Markets.- Trading Networks with Bilateral Contracts.- Markets for Public Decision-making.- Information Signal Design for Incentivizing Team Formation.- Revenue Management on an On-Demand Service Platform.- Implementing the Lexicographic Maxmin Bargaining Solution.- Exploration vs. Exploitation in Team Formation.