据美国联邦审计总署(GAO)的报告指出,美国运输部即将颁布新的条例,旨在更为准确地评估“代码共享”(Code-Sharing)战略联盟对美国民航业的影响,并确定反垄断豁免权是否能鼓励新的“开放天空”协议的签署.该报告还指出,目前已有的数据尚不足以精确地确定各种联盟短期内对票价结构的实际影响是什么,是否会减弱或加剧长期的竞争,从而导致票价的降低或升高. According to the GAO report, the U.S. Department of Transportation is about to promulgate new regulations to more accurately assess the impact of Code-Sharing strategic alliances on the U.S. civil aviation industry and to identify Whether monopoly immunity can encourage the signing of a new “open skies” agreement also notes that the current data are not yet sufficient to pinpoint exactly what the actual impact of the various factions on the fare structure will and will weaken in the short term Or exacerbate long-term competition, resulting in lower or higher fares.