规制放松理论包括新自然垄断理论，可竞争市场理论、规制失灵理论、X—非效率理论；
The deregulation theory includes new natural monopoly theory, contestable market theory, regulation failure theory and X-efficiency theory.
规制放松理论包括新自然垄断理论，可竞争市场理论、规制失灵理论、X—非效率理论；
The deregulation theory includes new natural monopoly theory, contestable market theory, regulation failure theory and X-efficiency theory.
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