They aren't saying demand is constant. They're saying that all peoole have different utility curves, and some people are at their most efficient point on the curve when they spend all their day ealkimg in nature, with their demand being periodic walking shoes and food.
Such a person may not need to produce because their savings exceeds their total expected lifetime demand. And even if they had 80% of their assets invested, thry still may want a 20% cash buffer in case their investments go belly-up. Most people call this an emergency fund.
The idea of expiring money is plain dumb. We don't need to artifically increase the velocity of money. We don't need to increase demand for assets because people have time-constrained purchase windows. All that would do is lead to a lot of poor decisions as people scramble to find the most efficient ways to convert the expiring money into convertable value stores. Of course this would just increase demand and make those value stores more expensive. Some will be able to arbitrage market inefficiencies. I bet a whole lot more would just lose.
How would you save up cash for a good investment opportunity if it just died? How would people save for house down payments or businesses? So dumb.
Before publishing thr above, I decided to try reading the article. This Gisell dude is an idiot. Here is an example, and where I stopped reading
> The faults of money go further, Gesell wrote. When small businesses take out loans from banks, they must pay the banks interest on those loans, which means they must raise prices or cut wages. Thus, interest is a private gain at a public cost.
There is no public cost! The private bank lent money to someone they expect to pay it back. They make money if they're paid back and lose money if they don't.
The business, which would not exist without the loan, opens and brings more supply to the market. Increasing supply lowers prices (public benefits). The business emoloyes people. Those people choose to be employed at a given rate, even if that rate is lower than it could be if the business, which would not exist without the loan, didn't have to pay interest on its loan. (job creation: public benefits). The alternative presented is raising costs of goods. Okay... Either they raise them too high and have no customers and then go out of business and all concerns are washed, or they have higher prices than otherwise. But otherwise means there's no business and nothing to buy anyway, so here again thr public clearly wins. The only maybe scenario for public loss is if thr bank makes a loan thay isn't repaid. But obviously this is expected to happen from time to time, so either the losses are absorbed by the other profitable loans or the bank eventually goes out of business. Big deal. That's part of choosing a bank for bank consumers.