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Hi Professor, one sub-topic of interest within antitrust would be that of antitrust immunity. On this front, you should have a look at the DOT’s granting of antitrust immunity to airlines that form ‘metal neutral’ agreements (Delta-Korean Air, United-ANA, AA-JAL). If you look at the decisions to grant antitrust immunity, a lot of the focus is on the purported market share that these firms will have. A problematic metal-neutral agreement which has received approval (though from the Competition and Consumer Commission Singapore) is Singapore Airlines-Air New Zealand where the two basically now have a monopoly over the Singapore-New Zealand route. Similarly, you might want to have a look into Singapore Airlines-Lufthansa and the near-monopoly they now share on the Singapore-Frankfurt and Singapore-Switzerland routes.

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