prices have risen steadily people from around the world want to invest here the austrian company asimo ogg a started buying up houses and commercial properties in the city more than ten years ago this is even still quote unquote cheap compared to other metropolitan cities and we forecast that berlin will make this legion so if you believe it will happen and you compare it to other major cities then you'll see there's still a long way to go. for urban ologists this conflict between investors and renters is detrimental to cities in the long term that's busy and that's the things that have yet to what we're seeing is that these exploitative strategies are diametrically opposed to the city's interests and needs and that the solution is relatively simple limit those market forces. some say cities should belong to everyone because houses aren't just investments they're people's homes. over to our correspondent daniel cole who's in the financial capital frankfurt one of the most expensive cities in germany daniel how do you see the situation. well with bricks ben prices are really most likely eve