1994年上半年起美运输部和国会分别对不同国家之间航空公司代码共享结盟情况进行了两项调查研究。调查主要考虑,代码共享有好处吗?它对航空公司间竞争有没有负面影响?消费者有没有实惠?等等问题。其实,对于这些问题航空公司是十分清楚的。据美国总审计局统计,西北航去年与荷兰KLM航联盟,盈利达1.5 In the first half of 1994, the United States Department of Transportation and the U.S. Congress respectively conducted two investigations into the sharing of airline codes between different countries. The main consideration of the survey, the benefits of code sharing? It has no negative impact on competition among airlines? Consumers have no benefits? And so on. Actually, the airlines are very clear about these issues. According to the statistics of the United States General Accounting Office, Northwest Airlines and the Netherlands KLM Air Union last year, a profit of 1.5