I think this is common in companies with a lower salary range, no stock options, bonuses etc. This is particularly apparent in large cities, where salaries can

I think this is common in companies with a lower salary range, no stock options, bonuses etc. This is particularly apparent in large cities, where salaries can be almost double at each end of the spectrum. From what I have seen promotion to senior or hiring inexperienced staff at senior level is the only way these companies can retain or recruit staff.