Addendum: a great “decoupling” event was when countries stopped tying their currency to precious metals (or indeed anything material) … first it started by introducing paper notes, and now money can exist just as an entry in a bank account. If the economy is just numbers of money then this decoupling means that the economy than grow higher than the number of atoms in the universe which is often cited as a hard upper limit.
Addendum: a great “decoupling” event was when countries stopped tying their currency to precious metals (or indeed anything material) … first it started by introducing paper notes, and now money can exist just as an entry in a bank account. If the economy is just numbers of money then this decoupling means that the economy than grow higher than the number of atoms in the universe which is often cited as a hard upper limit.