要旨：We consider a vertically integrated rail service provider, a congested, capacity limited network, and two customers. One customer demands short- and one long-distance services. The supply is determined by a regulator choosing capacity limits, service charges, and allocation regimes. Regimes can be of two types: (i) a priority rule ‘revenue maximization’ and (ii) a scarcity premium. Our key results are based on a Monte Carlo simulation. We find that no regime dominates the other one in all respects. In particular, if total surplus is relevant and service charges are low or consumer surplus is relevant, revenue maximization should be preferred.