4 citations · 6 across the 19 of their papers we have counts for
3 papers · 1 filter
Sophisticated Attacks on Decoy Ballots: The Devil's Menu and the Market for Lemons
Hans Gersbach, Akaki Mamageishvili, Oriol Tejada
Decoy ballots do not count in election outcomes, but otherwise they are indistinguishable from real ballots. By means of a game-theoretical model, we show that decoy ballots may no…
No truthful mechanism can be better than approximate for two natural problems
Stefano Leucci, Akaki Mamageishvili, Paolo Penna
This work gives the first natural non-utilitarian problems for which the trivial approximation via VCG mechanisms is the best possible. That is, no truthful mechanism can be be…
Assessment Voting in Large Electorates
Hans Gersbach, Akaki Mamageishvili, Oriol Tejada
We analyze Assessment Voting, a new two-round voting procedure that can be applied to binary decisions in democratic societies. In the first round, a randomly-selected number of ci…