Reevaluating Two Measures of Inter-Party Competition in the American States

29 Pages Posted: 22 Feb 2011 Last revised: 9 Jun 2011

See all articles by Gregory Shufeldt

Gregory Shufeldt

affiliation not provided to SSRN

Patrick Flavin

Baylor University

Date Written: April 15, 2011

Abstract

Inter-party competition is an essential criterion for evaluating the quality of a democracy. American state politics scholars generally rely on two measures of competition: (1) Ranney’s (1965, 1976) measure of the partisan composition of state legislatures and governors’ offices and (2) Holbrook and Van Dunk’s (1993) measure of the competitiveness of state legislative elections. Previous research has incorporated the two measures inconsistently, with some studies using one measure as a substitute for the other and other studies using both measures in a single statistical model. At the heart of this confusion is a debate about whether the two indicators are measuring different dimensions of inter-party competition. We use data from state legislative partisan balance and election returns to compute the two measures of competition from 1970 to 2003. We show that while the two measures were positively correlated in the 1970s and 1980s, they are now negatively correlated. We explore a set of possible explanations for the recent divergence between the two measures and provide practical recommendations for researchers using a measure of inter-party competition in future studies.

Keywords: State politics, electoral competition

Suggested Citation

Shufeldt, Gregory and Flavin, Patrick, Reevaluating Two Measures of Inter-Party Competition in the American States (April 15, 2011). Western Political Science Association 2011 Annual Meeting Paper , Available at SSRN: https://ssrn.com/abstract=1767263

Gregory Shufeldt (Contact Author)

affiliation not provided to SSRN ( email )

No Address Available

Patrick Flavin

Baylor University ( email )

Department of Political Science
One Bear Place #97276
Waco, TX 76798
United States

HOME PAGE: http://blogs.baylor.edu/patrick_j_flavin/

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