Bookings of 28+ nights now make up roughly 17–18% of Airbnb’s business, up from 13–14% pre-pandemic, driven by remote work — and, less publicised, by regulation itself.

Paris and London cap short lets at 90–120 nights a year and auto-block calendars once hosts hit the limit. The rational host response isn’t to leave the platform; it’s to reclassify as a “monthly stay”, which sidesteps the cap entirely.

For housing markets, that reallocation is measurable but modest, not dramatic: the standard reference study here, Barron, Kung & Proserpio (Marketing Science, 2021), found a 1% rise in Airbnb listings nationally predicts just a 0.018% increase in rents and 0.026% in home prices — a fraction of a percent, accounting for roughly a fifth of actual rent growth in an average zip code.

Effects run considerably higher in specific tourist-saturated pockets. Purdue’s Ralph Siebert and Zaiyan Wei found the reverse too: Airbnb’s own “One Host, One Home” policy cut long-term rents about 3% where enforced.

These figures point to a genuinely fragmented market, not a monopoly story. More interesting than the shares is the direction of attack.

Airbnb curates boutique hotels not to become an OTA but because about 35% of first-time hotel bookers on the platform later return to book a home. The hotel listing is bait for the core business.

Marriott, meanwhile, has pushed Homes & Villas past 100,000 properties by plugging alternative accommodation straight into its loyalty programme — Airbnb’s own playbook, run against Airbnb.

And that’s now contested from both sides at once.

Tourism has always had a large informal tier — the unregistered guesthouse, the untaxed home-cooked “experience.”

What’s underappreciated is that Airbnb has become a formalisation engine almost by accident.

Cities from Budapest to Bratislava already collect tourist tax automatically through Airbnb’s checkout. A host who might never have registered with the state now files data with it by default.

But this isn’t neutral. Research on Havana’s platform-driven rental boom found the landlords best able to formalise were the ones who already had capital and paperwork — informal operators without those advantages were pushed further to the margins.

Airbnb’s 2026 U.S. Economic Impact Report claims $93 billion in economic activity and “1.1 million jobs supported” — a number that shows up in every city-council fight the company has.

Worth unpacking: that figure is IMPLAN modelling across direct, indirect and induced effects, standard tourism-economics methodology but generous by construction.

That’s something like a fifth of the headline number; the rest is guest spending at restaurants and shops, real for a local economy but not Airbnb’s own labour footprint.

Inside host earnings, the average of $15,600 supplemental income flatters a market that runs on an 80/20 curve.

And the fast-growing Co-Host Network — 15,000+ professional co-hosts managing 100,000+ properties since late 2024 — looks a lot like a new gig-labour tier forming underneath hosting, complete with its own owner/manager split.

Here Airbnb’s B2B case is strongest.

Destination-marketing tie-ups — Singapore Tourism Board, VisitDenmark, Hungary’s national tourism agency, France’s rural mayors, the U.S. National Park Foundation — lean on something an OTA can’t easily offer: sending travellers to places with no hotels at all.

Nearly $5 million invested across APEC economies and entrepreneurship training rolled out from India to Thailand back that up with more than talk.

But dispersal can export overtourism as easily as it solves it. Barcelona’s protests were really about visitor volume outrunning absorptive capacity, and a quiet village suddenly holding more Airbnb listings than it ever had hotel rooms can hit that same wall fast.