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Appendix C  Additional Regression Results

Table C.1 – Income effects of secondary and tertiary education of males: 1986 and 1996
  Maori males Part-Maori males European males Other males
  1986 1996 1986 1996 1986 1996 1986 1996
  1986 1996 1986 1996 1986 1996 1986 1996
  Maori males Part-Maori males European males Other males
Intercept 8.9329 8.7321 8.8399 8.6738 8.9331 8.8250 8.8431 8.6581
(326.95) (225.61) (168.05) (215.38) (1033.34) (836.09) (188.35) (162.12)
School Certificate 0.0822 0.1296 0.0690 0.1202 0.0473 0.0704 0.0495 0.1820
(8.63) (9.31) (4.09) (8.45) (15.59) (18.03) (3.52) (9.85)
U.E./Sixth Form Cert. 0.1541 0.2497 0.1258 0.1991 0.0840 0.1354 0.1334 0.2640
(9.32) (13.77) (5.33) (11.88) (22.35) (30.97) (7.17) (13.73)
Bursary 0.1839 0.1936 0.0731 0.0501 0.0249 -0.0434 -0.0247 0.0545
(5.05) (6.70) (1.69) (2.14) (3.63) (7.00) (0.84) (2.29)
Diploma 0.2267 0.2364 0.2422 0.2504 0.1784 0.1561 0.1937 0.2508
(29.60) (16.69) (18.02) (18.66) (83.42) (48.19) (17.21) (16.08)
Bachelor's degree 0.3864 0.3482 0.3926 0.4424 0.3303 0.3440 0.3235 0.2136
(8.21) (8.15) (10.31) (16.70) (67.55) (64.49) (13.38) (10.38)
Postgraduate qual. 0.4778 0.6497 0.4444 0.5954 0.4077 0.4691 0.4154 0.3790
(10.62) (11.97) (7.04) (17.14) (74.45) (73.49) (13.96) (14.69)
Hours worked (per week) 0.0056 0.0105 0.0049 0.0111 0.0050 0.0107 0.0091 0.0127
(19.17) (25.94) (8.49) (26.75) (48.36) (97.38) (19.18) (29.20)
Managerial/administrative occupation 0.1487 0.1209 0.1840 0.2336 0.2470 0.2948 0.3610 0.1357
(5.57) (4.38) (5.16) (9.80) (63.89) (53.83) (11.80) (5.57)
Professional 0.0364 0.0814 0.1246 0.1419 0.1119 0.2285 0.2056 0.3972
(1.74) (2.82) (4.14) (5.37) (30.11) (38.33) (9.02) (16.06)
Service 0.0413 -0.0292 0.1029 0.0025 -0.0472 -0.0051 -0.1620 -0.2295
(2.24) (1.20) (3.24) (0.10) (9.78) (0.82) (6.60) (9.94)
Agricultural -0.2421 -0.2577 -0.1894 -0.1417 -0.2794 -0.1352 -0.3434 -0.2367
(10.95) (8.49) (4.26) (4.49) (42.63) (16.55) (8.45) (5.37)
Product./transport workers -0.1518 — -0.1031 — -0.1212 — -0.1413 —
(11.56)   (4.22)   (39.63)   (8.11)  
Sales -0.0674 — 0.0056 — 0.0157 — -0.0430 —
(2.80)   (0.17)   (3.88)   (1.68)  
Trade orientated — -0.0754 — -0.0307 — -0.0300 — -0.0774
  (3.36)   (1.38)   (5.49)   (3.47)
Plant and machine operator — -0.0825 — -0.0370 — -0.0616 — -0.1312
  (4.07)   (1.70)   (10.86)   (6.22)
Elementary/low-skilled — -0.2231 — -0.1755 — -0.1759 — -0.2599
  (10.41)   (7.59)   (27.78)   (11.54)
Technical — 0.0580 — 0.1154 — 0.1730 — 0.1580
  (2.20)   (4.86)   (31.11)   (6.76)
Mining industry 0.1882 0.2589 0.3367 0.3324 0.1804 0.2581 0.1463 0.5571
(6.56) (4.63) (5.35) (5.79) (16.35) (17.03) (1.01) (6.24)
Manufacturing 0.1189 0.1955 0.1726 0.1764 0.0949 0.1332 0.0481 0.2142
(6.48) (7.98) (4.54) (6.81) (15.22) (19.22) (1.35) (5.21)
Electricity 0.1219 0.2830 0.1764 0.2282 0.1420 0.2781 0.1021 0.5225
(5.52) (7.53) (3.71) (5.27) (18.35) (27.06) (2.17) (9.49)
Construction 0.0064 0.0631 0.0715 0.0562 0.0564 0.0460 0.0808 0.1396
(0.33) (2.35) (1.77) (1.99) (8.62) (6.16) (2.12) (3.07)
Wholesaling -0.0920 -0.0505 -0.0328 -0.0543 -0.0525 -0.0609 -0.0610 -0.0541
(4.45) (1.91) (0.81) (1.99) (8.16) (8.51) (1.64) (1.29)
Transportation 0.1204 0.1319 0.1889 0.1905 0.1551 0.1633 0.1221 0.2313
(6.21) (4.84) (4.74) (6.50) (23.97) (21.29) (3.27) (5.26)
Finance 0.0413 0.1088 0.0941 0.1907 0.1642 0.2154 0.0575 0.2712
(1.41) (3.53) (1.92) (6.35) (24.10) (29.02) (1.41) (6.29)
Social services -0.1096 -0.0256 -0.0264 -0.0101 0.0245 -0.0098 -0.0045 0.0811
(5.60) (1.02) (0.65) (0.38) (3.93) (1.40) (0.12) (1.95)
Married 0.1478 0.1740 0.1772 0.1502 0.1479 0.1443 0.0815 0.0511
(23.09) (17.29) (13.27) (14.17) (69.64) (55.07) (8.08) (4.30)
Major urban -0.0321 0.0004 -0.0070 0.0580 0.0506 0.0847 -0.1050 -0.0702
(4.38) (0.04) (0.52) (4.67) (22.04) (27.55) (6.51) (3.26)
Rural -0.0933 -0.0945 -0.1028 -0.0726 -0.0763 -0.0356 -0.0937 -0.0002
(9.44) (9.62) (5.11) (4.19) (21.76) (8.08) (2.94) (0.00)
Experience 0.04275 0.06325 0.04762 0.06839 0.04306 0.06117 0.03599 0.05819
(39.03) (36.34) (23.58) (39.24) (139.92) (149.89) (22.66) (31.01)
Experience2 -0.00079 -0.00111 -0.00089 -0.00128 -0.00077 -0.00111 -0.00061 -0.00101
(32.70) (30.88) (18.98) (32.74) (120.46) (131.88) (17.42) (24.59)
F 358.07 275.86 157.05 370.19 6574.08 6229.73 221.60 350.78
Sample size 28,659 18,219 8,173 17,128 335,632 281,246 17,273 19,930

Dependent variable: The natural logarithm of annual income (t-ratios in parentheses)

Dependent variable: The natural logarithm of annual income

Least squares regression (t-ratios based on White consistent standard errors, in parentheses)

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