A transaction for stock is the same as any other transaction. It terminates once money is exchanged. You do not extrapolate what happens after. When I pay my check at a restaurant does the cook run out the door to spend my money or does it go in the register?
I saw your other posts and wanted to point out a few key points.
- fiat money has no intrinsic value. Doubling or tripling the supply doesn’t change it’s value. Halving it doesn’t make it suddenly more valuable.
- commodity based currency, like a gold standard, does have intrinsic value. Finding new supplies of gold will reduce the intrinsic value of all gold, so it would see a change from the money supply changing all else equal.
- you mention it several times in other posts - it is the circulation of money that can (not necessarily) cause inflation. Imagine I sell $10 of goods at market and go home, vs selling $10 of goods then buying $10 of groceries. Money supply is irrelevant to the inflationary effects, so long as there is sufficient currency to account for all goods that are currently traded.
- post housing crisis, the US money supply increased tremendously during QE, yet inflation was low. Monetarists shrug, but the simple reason is money supply doesn’t cause inflation.
Have you read Capital? It goes through money and velocity pretty thoroughly early on and I think addresses some pretty big assumptions econ classes tend to present.
The intrinsic value of fiat currency is 0. Double, halve, quadruple 0 all you want makes no difference. It’s function and value is as a medium of exchange.
Imagine a copper based currency. If supplies of copper increase, the intrinsic value of copper falls, so the total value of the currency falls. The extrinsic value is not affected.
If I buy a widget for $1 and my labor is $2, I can be paid in 2 widgets. The money supply doesn’t change that my labor is 2 widgets. If prices are increased on widgets by a capitalist, then I would expect an increase in my labor price (in dollars), regardless of the money supply, because money has no intrinsic value.
I’ll state again that this difference (capitalists choosing to raise prices vs blaming external factors like “money supply”) is not just pedantic. Capital mentions it few times, the fetishization of money and capital accumulation/hoarding cause this belief that money has a function outside of exchange.