The labor theory of value works if the price of capital for vertically integrated industries is closer to the average than for non-vertically integrated industries.
Balls!
Anwar Shaikh has checked this condition with the 1947 input-output table collected by Wassily Leontief for the United States.
Who gives a flying rat-fuck?
But the ratio of the standard deviation of the capital-labor ratios to the mean capital-labor ratio (the coefficient of variation) is 1.14.