Factors | Total cost/MJ actual | Total cost/MJ estimated | Total cost/MJ | Total cost/MJ | heteroscedistic asymptotic variance (HAV) | Z-test | ||
VR(q)a | ||||||||
Time↓ | Fuel→ | Xt = R1:R3 | Xt(e) = R1:R3 | (Xt-q)a | (Xt-q)e | V(Xt−k)/V(Xt) | v*(k)a | Z*(k)a |
1992 | 3.9000E+01 | 1.1116E+03 | 4.1000E+01 | 1.3701E+08 | 0.966356446 | 3.84329E+18 | −4.38E−21 | |
1993 | 4.0000E+01 | 1.1424E+03 | 4.4484E+01 | 1.4422E+08 | ||||
1994 | 4.1000E+01 | 1.1733E+03 | 4.7812E+01 | 1.1972E+08 | ||||
1995 | 4.2170E+01 | 1.2095E+03 | 5.1161E+01 | 1.1741E+08 | VR(q)e | v*(k)e | Z*(k)e | |
1996 | 4.3443E+01 | 1.2487E+03 | 5.6236E+01 | 1.3269E+08 | 0.998432606 | 2.15787E+17 | −7.5E−20 | |
1997 | 4.4484E+01 | 1.2811E+03 | 6.0000E+01 | 1.6298E+08 | ||||
1998 | 4.5184E+01 | 1.3021E+03 | 4.7504E+00 | 1.3699E+08 | ||||
1999 | 4.6196E+01 | 1.3335E+03 | 4.7504E+00 | 1.3699E+08 | ||||
2000 | 4.7812E+01 | 1.3834E+03 | 3.9004E+00 | 1.1248E+08 | ||||
2001 | 4.9205E+01 | 1.4267E+03 | 4.6008E+00 | 1.3268E+08 | ||||
2002 | 5.0000E+01 | 1.4511E+03 | 3.6507E+00 | 1.0528E+08 | ||||
2003 | 5.1161E+01 | 1.4868E+03 | 4.9007E+00 | 1.4133E+08 | ||||
2004 | 5.2570E+01 | 1.5301E+03 | 6.0008E+00 | 1.7306E+08 | ||||
2005 | 5.4414E+01 | 1.5874E+03 | 5.4120E−04 | 1.2355E+03 | ||||
2006 | 5.6236E+01 | 1.6439E+03 | 5.5200E−04 | 1.3419E+03 | ||||
2007 | 5.7886E+01 | 1.6950E+03 | 5.5180E−04 | 1.4269E+03 | ||||
2008 | 6.0204E+01 | 1.7668E+03 | 5.2160E−04 | 1.5444E+03 | ||||
2009 | 6.0000E+01 | 1.7606E+03 | 5.4175E−04 | 1.6807E+03 | ||||
2010 | 6.1000E+01 | 1.7917E+03 | 6.3370E−04 | 1.8596E+03 | ||||
2011 | 6.2891E+01 | 1.8503E+03 | 7.4530E−04 | 1.9426E+03 | ||||
1992 | 4.7504E+00 | −1.6494E+04 | 1.7540E+01 | 8.7642E+12 | ||||
1993 | 4.7504E+00 | −1.6494E+04 | ||||||
1994 | 4.7505E+00 | −1.6494E+04 | ||||||
1995 | 4.7504E+00 | −1.6494E+04 | ||||||
1996 | 4.6005E+00 | −1.6494E+04 | ||||||
1997 | 5.0005E+00 | −1.6493E+04 | ||||||
1998 | 3.9004E+00 | −1.6494E+04 | ||||||
1999 | 4.1005E+00 | −1.6494E+04 |