ber being the "entrepreneur" who "hires" the other at the "salary"
mjj or fe,, and receives residual "profits" of — m11 or —
f,j.
Another interpretation of the optimal sorting is that only it enables each
"entrepreneur" to maximize "profits" for given "salaries" of mates
because only the optimal sorting satisfies condition (16). With all other
sortings, some "entrepreneurs" could do better by "hiring" different
mates than those assigned to them.