That's a large part of what economics is--people arbitrarily, or as a matter of taste, assigning numerical values to non-numerical things. And then pretending that they haven't just made the numbers up, which they have. Economics is like astrology in that sense, except that economics serves to justify the current power structure, and so it has a lot of fervent believers among the powerful.

Economics was like psychology, a pseudoscience trying to hide that fact with intense theoretical hyperelaboration. And gross domestic product was one of those unfortunate measurement concepts, like inches or the British thermal unit, that ought to have been retired long before.

Things are sold for less than it costs to make them. ... lots of business do go bankrupt. The ones that don't haven't actually sold their thing for more than it costs to make. They've just ignored some of their costs. ... they shove some of their production costs off their books.

That's a large part of what economics is - people arbitrarily, or as a matter of taste, assigning numerical values to non-numerical things. And then pretending that they haven't just made the numbers up, which they have. Economics is like astrology in that sense, except that economics serves to justify the current power structure, and so it has a lot of fervent believers among the powerful.