* Production Data Set(1946-1967, Christensen and jorgenson(1970));

data prod;

 label ln_y = 'Natural Log of US GNP Index'

       ln_l = 'Natural Log of Labor-Input Index'

       ln_k = 'Natural Log of Capital-Input Index';



 date      y        l        k        ln_y       ln_l       ln_k

 ----------------------------------------------------------------

 1946    274.0    213.4     97.2    5.61313    5.36317    4.57677

 1947    279.9    223.6    105.9    5.63443    5.40986    4.66250

 1948    297.6    228.2    113.0    5.69575    5.43022    4.72739

 1949    297.7    221.9    114.9    5.69609    5.40223    4.74406

 1950    328.9    228.8    124.1    5.79575    5.43285    4.82109

 1951    351.4    239.0    134.5    5.86193    5.47646    4.90156

 1952    360.4    241.7    139.7    5.88721    5.48770    4.93950

 1953    378.9    245.2    147.4    5.93727    5.50207    4.99315

 1954    375.8    237.4    148.9    5.92906    5.46975    5.00327

 1955    406.7    245.9    158.6    6.00808    5.50492    5.06639

 1956    416.3    251.6    167.1    6.03141    5.52784    5.11859

 1957    422.8    251.5    171.9    6.04690    5.52744    5.14691

 1958    418.4    245.1    173.1    6.03644    5.50167    5.15387

 1959    445.7    254.9    182.5    6.09965    5.54087    5.20675

 1960    457.3    259.6    189.0    6.12534    5.55914    5.24175

 1961    466.3    258.1    194.1    6.14483    5.55335    5.26837

 1962    495.3    264.6    202.3    6.20516    5.57822    5.30975

 1963    515.5    268.5    205.4    6.24514    5.59285    5.32496

 1964    544.1    275.4    215.9    6.29913    5.61822    5.37482

 1965    579.2    285.3    225.0    6.36165    5.65354    5.41610

 1966    615.6    297.4    236.2    6.42260    5.69508    5.46468

 1967    631.1    305.0    247.9    6.44746    5.72031    5.51303