Table 6 Average utility technical... | Emerald Publishing

Table 6

Average utility technical efficiencies

	Technical efficiency score
Year	Mean	SD
1988	0.87291	0.00154
1989	0.89189	0.00115
1990	0.91125	0.00082
1991	0.93141	0.00054
1992	0.95186	0.00032
1993	0.96438	0.00016
1994	0.97450	0.00008
1995	0.97693	0.00008
1996	0.96444	0.00014
1997	0.95219	0.00028
1998	0.94113	0.00042
1999	0.93083	0.00059
2000	0.93066	0.00065
2001	0.95439	0.00047
2002	0.94087	0.00056
2003	0.93089	0.00076
2004	0.92090	0.00099
2005	0.91107	0.00122

	Technical efficiency score
Year	Mean	SD
1988	0.87291	0.00154
1989	0.89189	0.00115
1990	0.91125	0.00082
1991	0.93141	0.00054
1992	0.95186	0.00032
1993	0.96438	0.00016
1994	0.97450	0.00008
1995	0.97693	0.00008
1996	0.96444	0.00014
1997	0.95219	0.00028
1998	0.94113	0.00042
1999	0.93083	0.00059
2000	0.93066	0.00065
2001	0.95439	0.00047
2002	0.94087	0.00056
2003	0.93089	0.00076
2004	0.92090	0.00099
2005	0.91107	0.00122

Note(s): Direction: $g_{y} = 1, - g_{\tilde{y}} = - 1$