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SunshineGirl · 36-40, F
Duty free shops are miniature freeports where customs duties are suspended. I think the original intention was to provide economic stimulus to often loss-making airports. But retailers often operate as a monopoly in a particular location and increase prices and restrict supply so that most of the benefit flows to them rather than the consumer.
antonioioio · 70-79, M
@SunshineGirl very true