Ui, Takashi; Kajii, Atsushi - In: Economics Bulletin 4 (2005) 10, pp. 1-6
It is known that if a capacity is convex then the Dempster-Shafer rule for the capacity is equivalent to the maximum likelihood rule for the core of the capacity. This paper shows that the converse is also true that is, a capacity must be convex if these two rules are equivalent.
