Party politics in Ireland has been characterised as politics without a social base. This paper calculates political concentration indices for party support in Ireland showing how support for a particular party is concentrated according to identifiable dimensions such as income, education and...

A recent paper by Madden used concentration indices to examine the bases of party support in Ireland in the 2011 election. This note updates this work to incorporate the 2016 election using the latest wave of ESS data. The results show that in terms of the bases of party supports many of the...

Political campaign spending ceilings are purported to limit the incumbent's ability to exploit his fundraising advantage. If the challenger does not have superior campaign effectiveness, in contrast to conventional wisdom, we show that the incumbent always benefits from a limit as long as he has...

This paper models a purely informational mechanism behind the incumbency advantage. In a two-period electoral campaign with two policy issues, a specialized incumbent and an unspecialized, but possibly more competent challenger compete for election by voters who are heterogeneously informed...