The United States is often taken to be the exemplar of the benefits of a monetary union. Since 1788 Americans, with the exception of the Civil War years, have been able to buy and sell goods, travel, and invest within a vast area without ever having to be concerned about changes in exchange...

The institutional arrangements governing the creation of money in the United States have changed dramatically since the Revolution. Yet beneath the surface the story of wartime money creation has remained much the same. During wars against minor powers, the government was able to fund the war by...