"TANSTAAFL is a good principle as a personal ethic, but it's incorrect at an economic level." People making decisions on how to employ scarce goods is economics. If I a go to a ball game, I forfit the other activity I would rather do, which might have been watching television or reading a book. There is a trade-off between leisure, consumption and production. That "externalization of resource extraction and waste" you call, is in most cases government not protecting the property rights of individuals and other businesses. And asymmetry of information wrt Enron? Sorry, but the fact that employees' pensions were only reinvested in Enron itself, should have set off some big warning signs. I guess the employees were being just as greedy as management.