Campaign expenditures are not effective in increasing candidates vote shares if voters do not respond to the advertisement when they believe that campaign expenditures are financed with tainted money. In this situation, limiting contributions may reduce the number of policy favors that...

Campaign expenditures are not effective in increasing candidates' vote shares if voters do not respond to the advertisement when they believe that campaign expenditures are financed with "tainted money." In this situation, limiting contributions may reduce the number of policy favors that...

This paper characterizes the optimal advertising strategy of candidates in an election campaign, where groups of heterogeneous voters are targeted through media outlets. We discuss its effects on the implemented policy and relate it to the well-documented increase in polarization. Additionally,...