•Airports would adjust their charges in different ways to a large demand decline.•Competitive airports would not be able to raise charges but monopoly airports and those subject to many kinds… Click to show full abstract
•Airports would adjust their charges in different ways to a large demand decline.•Competitive airports would not be able to raise charges but monopoly airports and those subject to many kinds of regulation could do so.•Price increases would be inappropriate from the viewpoint of supporting airline and tourism viability and wider economic benefits such as connectivity.•Governments may need to intervene with regulators.•Where the demand decline is due to government policy, financial assistance for airports may be appropriate.
               
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