rise in media bias affects the election outcome in a non-monotonic way, and reduces voter welfare by decreasing the …

behavioural bias. …

population of rational citizens. The analysis identifies a novel mechanism of media bias: the bias in a media outlet's news …

determining relative performance, optimal bias is i) strictly positive; ii) locally insensitive to changes in the heterogeneity …-to-noise ratio. A close relationship with expected optimal bias under cardinal information helps explain this surprising result …. Properties i) and ii) imply that the simple rule of setting bias as if in the worst-case scenario achieves most of the potential …