> Renting has no direct impact on the development of local housing prices.

Ehh??? Sorry this is wholly untrue. Landlords get easy, often zero-deposit mortgages on houses and then let them out to make money. Of course this affects local house prices, because it absorbs housing stock.

Particularly in long-established, geographically bounded, attractive European towns and cities where there is no possibility of growing the housing stock fast enough to compete.

More to the point, the reason we know the arrival of digital nomads will drive up house prices is that they absolutely already have done, everywhere they have been courted.