Stone's Measure of Labor Productivity (see his UN System of National Accounts, 1968) and two of its Application:
The Law of Falling Labor Content
The Sources of Aggregate Profitability
Academic Price Exercises vs. Empirically-based Value Accounting:
Fixed Capital as a Joint Production vs. IO-Theories of Capital Advanced and Turnover Times
Stone's Industry-based Input-Output System of National Accounts vs. Sraffa's unmeasurable physically-based Linear Matrix Algebra
The Road Ahead:
Distributive Cycles and Segmented Labor Markets vs. the Road towards a Theory of Inclusive Growth, see Peter Flaschel and Sigrid Luchtenberg: Roads to Social Capitalism. Theory, Evidence and Policy. Edward Elgar Publishing, 2012 and its second completely revised edition, in preparation by Hagen Krämer, Christian Proano, and Mark Setterfield.