* W.H. Greene, Econometric Analysis, Fourth Edition, 2000. SAMPLE 1 27 * Table A7.1 READ (metal.shd) / NAMES * Chapter 7 * Examples 7.5, 7.6 p. 284 GENR LQ=LOG(ValueAdd) GENR LL=LOG(Labor) GENR LK=LOG(Capital) * Estimation results in Table 7.1, p. 284 OLS LQ LL LK / LOGLOG PCOV * Test for Labor Elasticity equal to one. TEST LL=1 * Test for Constant returns to scale TEST LL+LK=1 * Example 7.7, Translog Production Function - pp. 285-286. * Obtain sample means STAT LL LK / MEANS=MU GEN1 MLL=MU:1 GEN1 MLK=MU:2 * Construct some new variables GENR LL2=(LL**2)/2 GENR LK2=(LK**2)/2 GENR LLLK=LL*LK * Translog Production Function, Table 7.2, p. 286. OLS LQ LL LK LL2 LK2 LLLK / PCOV * Test for the Cobb-Douglas model TEST TEST LL2=0 TEST LK2=0 TEST LLLK=0 END * Calculate the capital elasticity of output evaluated at sample means. * See lower half of p. 286. TEST LK+LK2*MLK+LLLK*MLL STOP