This reminds me of Frédéric Bastiat and his essay "That Which is Seen, and That Which is Not Seen". Nicely formatted at http://bastiat.org/en/twisatwins.html ht

This reminds me of Frédéric Bastiat and his essay "That Which is Seen, and That Which is Not Seen". Nicely formatted at http://bastiat.org/en/twisatwins.html http://bastiat.org/en/twisatwins.html The article notes that "It’s often easier to identify when people didn’t adequately consider the second and subsequent order impacts." That failure to consider the second order impacts is what Bastiat refers to as "That Which is Not Seen"