I too, would like to see this discussed. There certainly is a PHYSICAL upper bound - that is the number of people living on the planet. What would the world be

I too, would like to see this discussed. There certainly is a PHYSICAL upper bound - that is the number of people living on the planet. What would the world be like if every man, woman, and child were an entrepreneur (maybe better put - a free agent)? It is certainly something to think about. Would we move to a barter system?