You see a lot of these tendencies already in what is popularly called the sharing economy; that owning and accumulating things is replaced by sharing and using as needed. Ride sharing is a great example of not needing a car that stays in a parking lot 90% of the time or more. You simply call one when you need one.
I look at my own teenage daughters and I have reflected on the different consumer behaviour they and their friends have compared to what I had when I was a teenager. Take music, me and my friends all bought and collected albums. My daughters looks at my CD collection and wonders why? They consume music through streaming, of course being “Spotifyed”.
The same goes for product after product. They subscribe for usage where I bought.
If the researchers are right these changes in our European culture is a clear indication of a more fundamental post-growth society, or that the next economical systems already is evolving from the next generation.