We study how to optimally match agents in a dynamic market with heterogeneous match values. A network topology determines the feasible matches in the market. We consider networks that are two-sided when all matches include two agents, or acyclic otherwise. An inherent trade-off arises between...

Several Emergency Medical Service (EMS) agencies across the US have demonstrated that the time spent by EDs on ambulance diversion can be reduced by implementing community-wide policies that restrict the duration and frequency of diversion episodes. However, the mechanisms through which these...