Working paper N. 770 Dicembre 2017
Stefano Vannucci
DEPS, USiena
Abstract
The present note provides two conditions which are ointly sufficient for a finite family of uniquely topped total pre-orders on a finite set to be tree-wise single peaked - even when it is not line-wise single peaked. One of the two conditions is also a necessary one.
Keywords
Tree, betweenness, single peakedness, majority rule, strategy-proofness
Jel Codes
D71
