To the best of my knowledge, there has never been a monetary union, putting out a fiat currency, composed of independent states.
Milton Friedman...Only physicians are likely to be regarded as competent to judge the qualifications of potential physicians, so licensing boards in the various states...are typically composed..of physicians,...members of the AMA. The boards, or the state legislatures...give the AMA the power to influence the number of persons admitted to practice (by) lengthy training,...(and) the list of 'approved' schools and hospitals (which) is generally identical with the list issued by the Council on Medical Education and Hospitals of the AMA.
Milton FriedmanThe true test of any scholar's work is not what his contemporaries say, but what happens to his work in the next 25 or 50 years.
Milton FriedmanThe invisible hand in politics operates in the opposite direction to the invisible hand in the market.
Milton Friedman