International alliances between airline carriers lower costs for passengers using indirect flights for overseas trips, according to a study led by the University of California, Irvine (UCI). … "On balance, alliances are favorable for international passengers, a conclusion that validates decades of U.S. regulatory policy," wrote the study’s lead author, Jan Brueckner who is a UCI distinguished professor of economics. "The convenience benefits of alliances, such as one-stop check-in and connecting gate proximity, which the study did not consider, reinforce this conclusion," Brueckner added.

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