Thanks, all, for the responses. I’m trying to educate myself about economics, have been for some years now, and any information is helpful.
The real term is Mark to Market. That means you revalue an asset at its current market value on your books. Mark to Zero implies that your assets are worth nothing.
You may wish to take an hour or so (it’s conveniently broken up into bite-sized segments) to view this truly excellent presentation about some of the challenges we face. There is 2-3% global warming BS, but the rest of it is superbly done. I highly reco it.
http://www.chrismartenson.com/crashcourse/chapter-16-fuzzy-numbers