Shows
MCMP – Ethics and Value TheoryDuality, Logic and Judgment AggregationAlessandra Palmigiano (ILLC) gives a talk at the MCMP Colloquium (10 January, 2013) titled "Duality, Logic and Judgment Aggregation". Abstract: In the last decades, logic has facilitated the build-up of a critical mass of results and insights generalizing the original Arrovian problem in Social Choice, and culminating in the formation of judgment aggregation theory. Within this framework, the Arrovian-type impossibility results are obtained as consequences of characterization theorems, which provide necessary and su_cient conditions for agendas to have aggregator functions on them satisfying given axiomatic conditions. Methodologically, there are two tools, both derived from logic, underlying these generalizations: one is the...2019-04-181h 03