Consider Social Security. The young have always contributed to the support of the old. Earlier, the young helped their own parents out of a sense of love and duty. They now contribute to the support of someone else's parents out of compulsion and fear. The voluntary transfers strengthened the bonds of the family; the compulsory transfers weaken those bonds.
Milton FriedmanThe price works so well, so efficiently, that we are not aware of it most of the time.
Milton Friedman