Assessing the Partisan Effects of Redistricting

Abstract

The purpose of this paper is to assess the reality behind the politician's perception that redistricting matters. There are, of course, many dimensions to that perception since redistricting has many effects. This paper will focus on the impact that boundary changes have on the partisan composition of seats. In order to do this, it will be necessary to specify what the expected partisan effects of redistricting are and how they can be measure. Thus, the paper first explains how the impact of redistricting will vary with the strategy of particular plans. Following this, there is an exploration of some techniques for measuring the partisan impact of boundary changes, and then a detailed analysis of the most important Congressional redistricting in 1982—the Burton plan in California.

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