We study treatment assignment when treatments are limited in supply, where a planner aims to maximize social welfare by assigning treatments based on observable covariates. Such constraints are common when treatments are scarce and costly, but they complicate the analysis of optimal assignment...

This paper studies a class of two-player all-pay contests with externalities that encompass a general version of duopoly price competition. This all-pay contest formulation puts little restriction on production technologies, demand, and demand rationing. There are two types of possible...

In addition to self-production and individual disconnection from the national grid, the ongoing decentralization of the electricity market increasingly relies on energy-sharing mechanisms such as energy communities (ECs). This paper presents a parsimonious model that captures key features of the...