Can public mood swings that make all voters undergo an ideological shift towards a policy, hurt the electoral performance of that policy? The answer depends interestingly on the operations of an apolitical, viewership-maximizing dominant media. The media chooses news quality about fundamental...

In an election over two policies, public mood swings whereby voters move ideologically towards a particular policy should never hurt its electoral performance. We find that this fundamental monotonicity property of preference aggregation cannot be guaranteed in the presence of a commercial...