Aly, Grabowski, Pasurka and Rangan (1990)

0.75

0.81

Barr, Seiford, Siems (1994)

0.81

0.83

Bauer, Berger, Ferrier and Humphrey (1995)

0.73

0.71

0.71

0.71

0.73

0.75

0.76

Devaney and Weber (1995)

0.75

0.75

0.71

Elysiani and Mehdian (1992)

0.88

Elysiani and Mehdian (1995)

0.89

Elysiani, Mehdian and Rezvanian (1994)

0.97

0.95

0.95

0.96

English, Grookopf, Hayes (1993)

0.86

0.83

Ferrier, Kerstens, Vanden (1994)

0.69

0.60

Ferrier and Lovell (1990)

0.37

0.33

Hermalin and Wallace (1994)

0.64

0.70

Miller and Noulas (1996)

0.93

0.92

0.93

0.85

0.87

0.89

0.88

0.86

0.85

Rangan, Garbowsky et al. (1988)

0.87

Ray and Mukherjee (1994)

0.7

Sherman and Gold (1985)

0.96

Sherman and ladino (1995)

0.8

Thomson et al. (1997)

0.81

0.69

0.59

0.59

0.54

0.62

Thomson et al. (1996)

0.53

0.51

0.45

0.39

0.35

0.31

0.46

0.44

0.53

Wheelock and Wilson(1994)

0.84

0.77

0.69

0.59

0.46

0.51

0.42