There can be many causes to this problem, not just an apparent lack of supply. You could just as well say 'too much demand' is 'the problem'. Aside from regula

There can be many causes to this problem, not just an apparent lack of supply. You could just as well say 'too much demand' is 'the problem'. Aside from regular market issues, there could be a number of external factors (i.e. non-berliner ownership) that might be exacerbating the problem.