The idea that "the stock of money" is a real, objective thing is rank insanity. The idea that this "stock of money" should magically be constant makes even less sense.
There is no stock of money. There are only political decisions, assorted client and patron relationships, and national and international conflicts among interest groups that define social goals and resource distribution.
Money is political power counted on imaginary tally sticks. Volume fluctuations are irrelevant. What matters is what people do, for whom, to what end, using what resources.
In an alleged democracy what should matter is economic enfranchisement - which in practice means creating fluid and porous social castes and interest groups, and inventing interesting goals with intelligence, realism, and effectiveness.
Booms and busts are caused by aimless short-term accumulation, which is a form of unintelligent goal setting. Whether tally sticks are referenced to lumps of shiny metal or numbers derived by fiat is wholly irrelevant if the only goal is to acquire as many sticks as possible, and nothing else matters.