Arrow, K., Minhas, B., Solow, R. and Chenery, H.B. (1961) Capital-labour substitution and economic efficiency . Review of Economics and Statistics, Vol. 43.
2.
Brown, A.J. (1972) The Framework of Regional Economics in the United Kingdom. Cambridge: NIESR.
3.
Brown, M. and De Cani, T. (1962) Technological change and the distribution of income . International Economic Review, Vol. 3.
4.
Department of Employment (1972) Family Expenditure Survey Report for 1971. London: H.M.S.O.
5.
Department of Industry, Business Statistics Office (1974) Report on the Census of Production 1968, Part 157 . London: H.M.S.O.
6.
Griliches, Z. (1967) Production functions in manufacturing: some preliminary results. In Brown, M. (ed.), The Theory and Empirical Analysis of Production, NBER Studies in Income and Wealth, Vol. 31, p. 289, Footnote 29.
