Come to think of it, this sounds less feasible but some sort of comparative advantage calculator (intending to do exactly what you describe in your edit but compared against the average EA) sounds like it could be useful, if difficult to achieve.
Come to think of it, this sounds less feasible but some sort of comparative advantage calculator (intending to do exactly what you describe in your edit but compared against the average EA) sounds like it could be useful, if difficult to achieve.