Published online by Cambridge University Press: 11 May 2010
The work of H. J. Habakkuk, Peter Temin, Robert Fogel, and Nathan Rosenberg on the effect of relative factor price differentials between America and England in the nineteenth century on the course of technological development has generated considerable interest in providing some empirical evidence on the labor scarcity hypothesis. Briefly stated, the hypothesis claims that relatively higher wages in America brought about the invention and use in production of a relatively capital intensive technology, and since “technical possibilities were richest at the capital intensive end of the spectrum,” this phenomenon was somehow responsible for the unique characteristics of American technology, that is, interchangeable parts, certain machine tool developments, and the proliferation of self-acting mechanisms.
I am indebted to Stanley Engerman and the Editor of this Journal for very helpful comments and suggestions. Any errors of omission or commission are mine.
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The calculations in Table 2 are based on the formula:
where
a = labor's share of net output
b = capital's share of net output
a = elasticity of substitution
r = w/k = relative factor price
k = rental of capital
w = wage rate
The percentage increase in labor productivity due to substitution is given by the following equation:
where
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