In my inequality post, I wrote, somewhat speculatively,
The returns to pedagogy chosen together with worked difficult for are non necessarily replicated inwards pedagogy subsidized or forced.Marginal Revolution points to a nice novel paper by Pierre Mouganie making this point. From the abstract:
In 1997, the French regime set into number a police pull that permanently exempted immature French manlike mortal citizens born afterwards January 1, 1979 from mandatory military machine service piece nonetheless requiring those born earlier that cutoff appointment to serve. ... conscription eligibility induces a pregnant increment inwards years of education, which is consistent alongside conscription avoidance behavior. However, this increased pedagogy does non final result inwards either an increment inwards graduation rates, or inwards usage together with wages. Additional bear witness shows conscription has no at 1 time number on earnings, suggesting that the returns to pedagogy induced past times this policy was zero.