The property ($W$) of the class of decision functions, which corresponds to the concept of weak compactness in the intrinsic sense in [6], is discussed and several sufficient conditions for it are given in this article. Some examples concerning the non-sequential case are discussed.
Ann. Math. Statist.
37(6):
1631-1642
(December, 1966).
DOI: 10.1214/aoms/1177699152
