Sincere Voting with Cardinal Preferences: Approval Voting
We discuss sincere voting when voters have cardinal preferences over alter- natives. We interpret sincerity as opposed to strategic voting, and thus define sincerity as the optimal behaviour when conditions to vote strategically vanish. When voting mechanisms allow for only one message type we show that this op- timal behaviour coincides with an intuitive and common definition of sincerity. For voting mechanisms allowing for multiple message types, such as approval vot- ing (AV), there exists no conclusive definition of sincerity in the literature. We show that for AV, voters' optimal strategy tends to one of the existent definitions of sincerity, consisting in voting for those alternatives that yield more than the average of cardinal utilities.
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- Enriqueta Aragones & Itzhak Gilboa & Andrew Weiss, 2011.
"Making statements and approval voting,"
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- Enriqueta Aragones & Itzhak Gilboa & Andrew Weiss, 2005. "Making Statements and Approval Voting," Cowles Foundation Discussion Papers 1531, Cowles Foundation for Research in Economics, Yale University.
- Itzhak Gilboa & Enriqueta Aragones & Andrew Weiss, 2011. "Making statements and approval voting," Post-Print hal-00745602, HAL.
- Enriqueta Aragonès & Itzhak Gilboa & Andrew Weiss, 2005. "Making Statements and Approval Voting," Working Papers 237, Barcelona Graduate School of Economics.
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