Regulators around the world are investigating the business models of the giant OTAs, including the Australian Competition Commission exposing Trivago for displaying hotel rates from the highest bidders in its auctions while hiding others, in violation of competition law, and the UK competition authority’s investigations into Booking.com and others’ “pressure selling”.

Regulators have pointed out that metasearch companies and online travel agencies have kept hidden how they rank listings, and sort bidders within listings.

In the short-term rental sector, Airbnb, Expedia and Booking.com are among those facing regulators around the world, especially around payment of taxes and local business practice; but to date and despite all the live lawsuits they have all been able to cope and have continued to expand.

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