Abstract
Using NES surveys from 1980 through 2000, this article examines the incumbency advantage with a series of survey reports of the vote, an approach that departs from the convention of estimating the incumbent advantage with aggregate election returns. Previous work conceptualizes the incumbency advantage as a small and stable vote bonus of six to eight percentage points since about 1970, based on aggregate electoral returns. This study provides a different perspective on the incumbency advantage, considering the behavior of individual voters instead of aggregate electoral outcomes. We conceive of incumbency as an anchor that diminishes the influence of short-term tides on voters. Further, the effect of incumbency on voters is neither small nor stable, and varies systematically with short-term political tides.
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