Dek Terrell, "Incorporating Monotonicity and Concavity Restrictions in Flexible Functional Forms", Journal of Applied Econometrics, Vol. 11, No. 2, 1996, pp. 179-194. The data are arranged with one observation in each of 25 rows and nine columns per row, one for each variable. The first column contains output. The next four columns contain input-output ratios for capital, labor, energy, and other materials. The final four columns contain prices of capital, labor, energy, and other materials. Data are annual for 1947 to 1971. Price data were obtained from table 1 of: Berndt, Ernst and David O. Wood, "Technology, Prices, and the Derived Demand for Energy," Review of Economics and Statistics, August 1975, vol. 57, no. 3. Output and input/output ratios were taken from table 1 of: Berndt, Ernst, and Mohammed Khaled, "Parametric Productivity Measurement and Choice among Flexible Functional Forms," Journal of Political Economy, 1979, vol. 87, no. 6.