Measuring the 'Colbert Bump'

Democratic politicians receive a 40% increase in contributions in the 30 days after appearing on the comedy cable show The Colbert Report. In contrast, their Republican counterparts essentially gain nothing. These findings appear to validate anecdotal evidence regarding the political impact of the program, such as the assertions by host Stephen Colbert that appearing on his program provides candidates with a "Colbert bump" or a rise in support for their election campaigns.