I am not having zero sun fallacy. Please read what I said again. I said the exact price is zero sum within the bounds of the deal happening. The wealth creation is caused by the deal happening at all.
> if one quadrillionaire in a city owns all the money
That's a valid risk factor but on a random eBay purchase I think it's fair to say we have no idea if the purchaser or the seller gets more utility out of each dollar.
> if one quadrillionaire in a city owns all the money
That's a valid risk factor but on a random eBay purchase I think it's fair to say we have no idea if the purchaser or the seller gets more utility out of each dollar.