claims. We focus on market-based allocation rules that impose a two-step procedure: assignment of rights based on claims …-assignment rules that guarantee that the allocation rules are fair. We apply our results to problems of greenhouse gas emissions and …

fairness considerations, whereas when few providers are present, they are driven by the heterogeneity in the providers …

In the allocation of indivisible objects under weak priorities, a common practice is to break the ties using a lottery … propose and study the concept of ex-ante fairness for random allocations, extending some key results in the one-sided and two …