If in the above example the cost had been nine cents in the low cost area and 11 cents in the high cost area, it would be much more difficult for inefficient entry to occur.
Inefficient entry is difficult when low and high cost areas have similar costs.
It desperately needs something like the Style section, where it can run imprudent stories that readers are dying to read but have yet to acquire the Heft and Importance of a New York Times News Story.