"I wonder - is this all a zero sum interaction? Abstractly, the earth is a closed system, right?" No, the amount of value in the world is not fixed [eg, 1]. [

"I wonder - is this all a zero sum interaction? Abstractly, the earth is a closed system, right?" No, the amount of value in the world is not fixed [eg, 1]. [1] http://www.paulgraham.com/wealth.html http://www.paulgraham.com/wealth.html ("The Pie Fallacy")