Blackorby, Charles; Bossert, Walter; Donaldson, David - In: Economic Theory 19 (2002) 2, pp. 355-378
We analyze the rationalizability of variable-population social-choice functions in a welfarist framework. It is shown … that fixed-population rationalizability and a weakening of congruence together are necessary and sufficient for rational … axiomatization of a related class of bargaining solutions to a variable-population setting, is the first axiomatization of critical …