They always exist. Sometimes they're a minor problem, the steepness of the expected change makes them a major problem in some areas. But this kind of thing alw

They always exist. Sometimes they're a minor problem, the steepness of the expected change makes them a major problem in some areas. But this kind of thing always exists. For example, logistics companies have problems hiring in some countries right now because young people don't see driving trucks as a viable career for forty years, but the logistics companies need drivers for the next ten years or more.