Kochar, Subhash C.; Carrière, K. C. - In: Statistics & Probability Letters 35 (1997) 4, pp. 327-333
Recently, a new variability ordering, called right spread ordering or excess wealth ordering has been introduced. This new ordering is weaker than dispersive ordering. We show in this note that if X is less variable than Y in the sense of right spread ordering or convex ordering, then it implies...