polarization of the electorate into changes in the distribution of voter ideal positions and consequences of elite polarization …

Many political commentators diagnose an increasing polarization of the U.S. electorate into two opposing camps. However … position of the median voter does not change. We show that media bias provides a mechanism through which political polarization … electoral outcomes. We show that polarization increases the profitability of slanting news, thereby raising the likelihood of …

conflict and more intense fighting. …

outside enemy, ‘brothers in arms’ may already anticipate future internal conflict about dividing the spoils of winning …; however, this subsequent internal conflict does not discourage alliance members from expending much effort in the contest …

conflict and more intense fighting …