We study the problem of aggregating private information in elections with two or more alternatives for a large family of scoring rules. We introduce a feasibility condition, the linear refinement condition, that characterizes when information can be aggregated asymptotically as the electorate grows large: there must exist a utility function, linear in distributions over signals, sharing the same top alternative as the primitive utility function. Our results complement the existing work where strong assumptions are imposed on the environment, and caution against potential false positives when too much structure is imposed.
MLA
Barelli, Paulo, et al. “Full Information Equivalence in Large Elections.” Econometrica, vol. 90, .no 5, Econometric Society, 2022, pp. 2161-2185, https://doi.org/10.3982/ECTA16376
Chicago
Barelli, Paulo, Sourav Bhattacharya, and Lucas Siga. “Full Information Equivalence in Large Elections.” Econometrica, 90, .no 5, (Econometric Society: 2022), 2161-2185. https://doi.org/10.3982/ECTA16376
APA
Barelli, P., Bhattacharya, S., & Siga, L. (2022). Full Information Equivalence in Large Elections. Econometrica, 90(5), 2161-2185. https://doi.org/10.3982/ECTA16376
We are deeply saddened by the passing of Kate Ho, the John L. Weinberg Professor of Economics and Business Policy at Princeton University and a Fellow of the Econometric Society. Kate was a brilliant IO economist and scholar whose impact on the profession will resonate for many years to come.
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