By thinking that the resulting pension pot is ours alone--and that the cash value recorded within it will be enough to keep us in old age--we've ignored the fact that we have to actually invest in those real things we can sell to the next generation.

FORBES: Opinion

But this implies that Berkshire recorded these assets at a value which was unrealistic, which is not the case.

ECONOMIST: Letters

Assets that have lost value must be recorded at whatever price they might fetch if they were sold today - if they could be sold, that is.

NPR: SEC Changes On The Table