It is time to close the airport-shopping loophole. Tax privileges on airport are becoming ever more indefensible.
For one thing, tax codes typically seek to dampen inequality, but duty-free shopping hands most benefits to the well-heeled who frequently travel abroad.
For another, duty rebates overwhelmingly fall into the pockets of people who flu and pollute.
Combined with that, airport shopping is designed to evade the harmful use of tobacco and alcohol in an outright manner.
Last but not least, unjutified profits which are shared around opaquely.
In short, it is past time to call time on duty-free.