Unlike the classical gold standard, there is no market feedback mechanism to bring the quantity of money in line with the demand for money while maintaining long-run price stability.
The popularity of Sancerre has had a bit of a downside: It has contributed to the creation of some less-than-impressive wines from producers seeking to capitalize on demand, choosing quantity over quality.
In theory, a discretionary central bank could limit the quantity of money and achieve long-run price stability by controlling the growth of nominal final demand.