Earlier quoted context omitted.
I’m the author. Thank you for saying it is an excellent read — that was no small amount of work. You ask “Where is the productive output of all these arbitrage shell games?”, which is a very fair question. The purpose of financial markets, sometimes but not always wholly achieved, is to transfer risks to those best able to hold them. E.g., you are not the optimal person to hold the risk that, through no fault of your…
Note also that in some cases you might be the optimal person to hold the risk that your house burns down, if, for example, your liquid net worth is 100x the replacement cost of your home. And that's illustrative of the value of markets: you can choose to transact in them, depending on your personal circumstances. The insurance market exists because for the vast majority of people, rebuilding their home is not feasibl…
For instance, apparently the EU is currently considering a regulation that houses must be energy efficient. Getting a current house into compliance would cost on average $50k. That kinda stuff adds up.