>I glanced at the book that this article is based on. It looks like that >they estimate intangible capital as the residual of what can't be >explained by everything else.
In the invention of this inherently unobservable entity, they are merely following the methodology pioneered by that exemplar of modern science, Cosmology. To save the expanding universe/big bang dogma in the face of a flood of "inexplicable" contrary evidence, modern cosmologists have recently invented two such inherently unobservable entities--"dark matter" and "dark energy"--that are supposed to make up 93 percent of the universe. These economists are pikers. ^^^^^ CB: Hey and most people are dark people, and they can't get their hands on most of the wealth. That's actually an economically precise statement.