Those figures include sales from duty- and tax-free stores in three other airports in the country and the duty-free shopping complex in the middle of Bangkok being constructed as a complement to the new airport space (where, without an impending flight or carry-on baggage, shoppers can spend more relaxed time buying duty-free goods, which King Power will have waiting for them at check-in).

FORBES: Magazine Article

Mr Bradbourn said the one-bag rule was harmful to regional airports as it put passengers off from buying goods at duty-free shops.

BBC: Presentation of report