The date is March 9th 2016. Jose-Luis Romero, sales chief of a small textile company, based in eastern Los Angeles, is thinking about his business trip next week. He wants to go to New York, then on to London, Frankfurt, Singapore and Hong Kong. Any one of the three new multinational airlines formed when barriers to foreign ownership were lifted will take him to those cities. Their frequent-flier schemes, however fancy, will not influence his choice because he is a member of all of them. So should he fly Lufthansa United, American-British or Delta French?
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