We present a model in which an imperfectly informed politician chooses between appointing an independent expert, whose advice is revealed to voters, and a loyal expert whose advice can be concealed from voters and who can therefore be blamed for a bad outcome. The politician is privately...

In this note, we use the technique of option sets to sort out the implications of coalitional strategyproofness in the spatial setting. We also discuss related issues and open problems. -- social choice ; strategyproofness ; voting

We study a multi-dimensional collective decision under incomplete information. Agents have Euclidean preferences and vote by simple majority on each issue (dimension), yielding the coordinate-wise median. Judicious rotations of the orthogonal axes -- the issues that are voted upon -- lead to...

This paper presents a model of electoral competition focusing on the formation of the public agenda. An incumbent government and a challenger party in opposition compete in elections by choosing the issues that will key out their campaigns. Giving salience to an issue implies proposing an...