Contrary to what is often suggested, values do follow a very simple rule as the rate of profit r varies, provided only that the system is square. None of single production, semi-positive vertically integrated input coefficients, or regularity a la Schefold needs to be assumed. Furthermore, that...

Whilst input-output analysts often treat the value-added vector as a fairly simple, straightforward component of input-output studies, modern 'classical' economics tells us that it is far from simple. This will be developed, both for a closed economy and for an economy using foreign produced inputs.