When it comes to the aviation sector, no one knows for sure where the next sources of long-term economic growth will be, whether it's in mature or developing markets.

This world of uncertainty isn't just a one-off experience that the sector must get through before things return to previous trends. It's the "new normal"—here to stay. Sector players—airports, airlines, investors—will need a strategy for operating within this new set of conditions.

Airlines are overhauling their business models to survive in a newly competitive and dynamic market—which has big implications for airports. And new players are arising in the aviation infrastructure investment space.

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