>What happens when there are new entrants to your economy?
Nothing.
>Are they all forced to split the 100k?
No, if the new entrant can provide value then someone that already has some that $100K can give it to them for a good or service.
>If not, where does new money come from? Magic?
Comes from the Federal Reserve, when they decided to increase the money supply. The problem is you are on a never ending treadmill that is designed to have bubbles and failures, not that new money has to sometimes be created.
I mean have never even thought about it?
>What happens when there are new entrants to your economy?
Nothing.
>Are they all forced to split the 100k?
No, if the new entrant can provide value then someone that already has some that $100K can give it to them for a good or service.
>If not, where does new money come from? Magic?
Comes from the Federal Reserve, when they decided to increase the money supply. The problem is you are on a never ending treadmill that is designed to have bubbles and failures, not that new money has to sometimes be created.