After the Great War, Austrian cities and towns began issuing their own money. The Germans tried something similar, but without the voluntary and decentralized aspects of the Austrian model. German disaster ensued.
The new Keynesian recommendation for monetary policy is to “stabilize the growth of aggregate demand.” In plain language this means that the monetary authorities should never stop flooding the economy with paper money.
In a free country, doctors would be free to prescribe whatever drugs they wish to anyone for any reason. In fact, individuals should be free to buy drugs without a special government-required doctor's note.