Abstract:
This experimental study attempts to examine individual’s voting behaviour in the jury voting model with an ambiguous signal-state correlation. We first replicate the variation of Ellsberg three-colour urn experiment to elicit each voter’s preference type and updating rule adopted when confronted with ambiguity. Then, we conduct a series of experiments, in which we vary the signal-state correlations (between probabilistic and ambiguous) and the voting rules by which group decisions are reached (majority and unanimity).