if you can't put a real cost on something you can't actually weigh it, what happens if you say ecosystem damage is astronomical in cost and the loss of jobs if we don't build this dam costs 1.5 million dollars is the dam gets built because nobody has put any sort of measurable cost on what happens if the dam gets built.
Not disagreeing with you exactly, but given the global ecosystem predates money, is it really outside the realm of possibility that money can't be used to accurately describe or measure it?
to win a game you have to play that game.