/* Table F15.1: Klein's Model I , 22 Yearly Observations, 1920-1941
Source: Klein (1950).

    * Year = Date,
    * C = Consumption,
    * P = Corporate profits,
    * Wp = Private wage bill,
    * I = Investment,
    * K1 = previous year's capital stock,
    * X = GNP,
    * Wg = Government wage bill,
    * G = Government spending,
    * T = Taxes.
*/

clear
use klein
tsset Year
reg C P L.P Wp Wg
ivregress 2sls C P L.P Wg (Wp=P L.P L.K1 X L.X)
reg I P L.P L.K1
reg Wp X L.X Year