Career Concerns and the Dynamics of Electoral Accountability

Abstract

Quantifying the value that legislators give to reelection relative to policy is crucial to understanding electoral accountability. We estimate the preferences for office and policy of members of the U.S. Senate, using a structural approach that exploits variation in polls, position-taking, and advertising throughout the electoral cycle. We then combine these preference estimates with estimates of the electoral effectiveness of policy moderation and political advertising to quantify electoral accountability in competitive and uncompetitive elections. We find that senators differ markedly in the value they give to securing office relative to policy gains: While over a fourth of senators are highly ideological, a sizable number of senators are willing to make relatively large policy concessions to attain electoral gains. Nevertheless, electoral accountability is only moderate on average, due to the relatively low impact of changes in senators' policy stance on voter support.

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