"resources" is an oversimplification. These are incredibly different: a. non-renewable resources like copper ore b. renewable resources like hydroelectric pow

"resources" is an oversimplification. These are incredibly different: a. non-renewable resources like copper ore b. renewable resources like hydroelectric power c. the result of low-skill labor, such as assembling plastic toys d. the result of high-skill labor, such as assembling jet aircraft e. data that can be licensed, with trivial cost to produce each copy To be in the best shape we need to have a mix that allows independence, employs people of all skill levels, and generally gives high profit.