?=================================================================== ? Maximum likelihood of Berndt and Wood KLEM model for costs = ? in the U.S. Manufacturing Sector. = ?=================================================================== Read ; Nobs=25 ; Nvar = 10 ; Names = Year,QY,QK,QL,QE,QM,PK,PL,PE,PM$ 1947. 196.205 9.3130 45.0961 7.75697 120.207 1.00000 1.00000 1.00000 1.00000 1948. 182.829 10.6264 43.9693 7.20873 106.468 1.00270 1.15457 1.30259 1.05526 1949. 191.077 11.5423 41.8166 7.91134 113.107 0.74371 1.15584 1.19663 1.06225 1950. 217.532 11.9624 44.4985 8.40976 129.378 0.92497 1.23535 1.21442 1.12430 1951. 235.289 12.2972 48.7602 9.16439 136.689 1.04877 1.33784 1.25180 1.21694 1952. 244.086 13.0450 51.1402 9.22766 141.135 0.99744 1.37949 1.27919 1.19961 1953. 269.111 13.6777 54.4577 9.97689 156.706 1.00654 1.43458 1.27505 1.19044 1954. 247.312 14.2198 51.2944 10.07850 142.018 1.08757 1.45362 1.30357 1.20612 1955. 277.789 14.7225 54.0984 10.39200 159.050 1.10315 1.51121 1.34277 1.23835 1956. 281.382 15.1736 55.7854 10.95190 162.295 0.99607 1.58187 1.37155 1.29336 1957. 282.153 16.0311 55.9122 11.82740 163.127 1.06321 1.64641 1.38010 1.30703 1958. 262.425 16.8214 52.6973 11.22090 150.735 1.15619 1.67389 1.39338 1.32700 1959. 291.418 16.9557 56.4288 11.95920 169.792 1.30758 1.73430 1.36756 1.30774 1960. 296.644 16.9042 56.9827 12.16510 169.226 1.25413 1.78280 1.38025 1.33946 1961. 297.000 17.1108 56.0163 12.34530 167.971 1.26329 1.81977 1.37631 1.34319 1962. 320.884 17.2227 58.5997 12.85290 178.634 1.26525 1.88531 1.37689 1.34745 1963. 337.855 17.4505 59.6128 13.67400 191.822 1.32294 1.93379 1.34737 1.33144 1964. 359.146 17.8079 61.1658 13.70810 198.323 1.32798 2.00998 1.38969 1.35197 1965. 389.238 18.4595 64.6947 14.09460 215.563 1.40659 2.05539 1.38635 1.37543 1966. 417.185 19.6165 69.2726 14.93410 228.398 1.45100 2.13441 1.40102 1.41879 1967. 425.702 21.2163 70.1610 15.81500 234.596 1.38618 2.20617 1.39197 1.42428 1968. 451.210 22.4894 72.3024 16.21180 250.484 1.49901 2.33869 1.43389 1.43481 1969. 466.830 23.5281 74.2756 17.05680 253.226 1.44957 2.46412 1.46481 1.53356 1970. 446.710 24.7325 71.2039 18.57820 244.296 1.32465 2.60532 1.45907 1.54758 1971. 457.986 25.6062 68.9305 17.90340 263.076 1.20178 2.76026 1.64689 1.54979 CREATE; cost=pk*qk+pl*ql+pe*qe+pm*qm ; sk=pk*qk/cost ; sl=pl*ql/cost ; se=pe*qe/cost ; sm=pm*qm/cost ; c=log(cost/pm) ; k=log(pk/pm) ; l=log(pl/pm) ; e=log(pe/pm) ; kk=.5*k*k ; ll=.5*l*l ; ee=.5*e*e ; kl=k*l ; ke=k*e ; le=l*e ; y=log(qy) ; yy=.5*y*y ; ky=k*y ; ly=l*y ; ey=e*y$ SURE ;lhs=c,sk,sl,se ;labels= a, bk, bl, be, by,ckk,ckl,cke,cll,cle,cee,dky,dly,dey,byy ;rhs= one, k, l, e, y, kk, kl, ke, ll, le, ee, ky, ly, ey, yy ;pattern= a, bk, bl, be, by,ckk,ckl,cke,cll,cle,cee,dky,dly,dey,byy, bk,ckk,ckl,cke,dky, 10*0, bl,ckl,cll,cle,dly, 10*0, be,cke,cle,cee,dey, 10*0 $ SURE ;Lhs = sk,sl,se ; labels=bk,bl,be,ckk,ckl,cke,cll,cle,cee,dky,dly,dey ; Rhs = One, k, l, e, y ; Pattern= bk, ckk, ckl, cke, dky, bl, ckl, cll, cle, dly, be, cke, cle, cee, dey $ CALC ;LC = logl $ SURE ;Lhs = sk,sl,se ; labels=bk,bl,be,ckk,ckl,cke,cll,cle,cee,dky,dly,dey,clk,cel,cek ; Rhs = One, k, l, e, y ; Pattern= bk, ckk, ckl, cke, dky, bl, clk, cll, cle, dly, ? no constraint clk=ckl be, cek, cel, cee, dey $ ? same: cek & cke, cel & cle CALC ;LU = logl ; LRT = 2*(LU-LC)$