Aitchison, Jim. 1982. The statistical analysis of compositional data. Journal of the Royal Statistical Society, Series B (Methodological)
Alvarez, Michael R., and Nagler, Jonathan. 2004. Party system compactness: Measurement and consequences. Political Analysis
Bogaards, Matthijs. 2004. Counting parties and identifying dominant party systems in Africa. European Journal of Political Research
Butler, Adam, and Glasbey, Chris. 2008. A latent Gaussian model for compositional data with zeros. Journal of the Royal Statistical Society
Clark, William Roberts, and Golder, Matt. 2006. Rehabilitating Duverger's theory. Comparative Political Studies
Cox, Gary W.
1997. Making votes count. Cambridge: Cambridge University Press.
de Palma, A., Hong, Gap-Seon, and Thisse, J. F.
1990. Equilibria in multi-party competition under uncertainty. Social Choice and Welfare
Dunleavy, Patrick and Boucek, Françoise. 2003. Constructing the mumber of parties. Party Politics
Duverger, Maurice. 1954. Political parties. New York: Wiley.
Gelman, Andrew, Carlin, John B., Stern, Hal B., and Rubin, Donald B.
2003. Bayesian data analysis. 2nd ed.
London: Chapman and Hall.
Golosov, Grigorii V.
2010. The effective number of parties. Party Politics
Grofman, Bernard, Bowler, Shaun, and Blais, Andre. 2009. Introduction: Evidence for Duverger's law from four countries. In Duverger's law of plurality voting, eds. Grofman, Bernard, Blais, Andre, and Bowler, Shaun, 1–11. New York: Springer.
Gross, Donald A., and Sigelman, Lee. 1984. Comparing party systems: A multidimensional approach. Comparative Politics
Honaker, James, Katz, Jonathan, and King, Gary. 2002. A fast, easy, and efficient estimator for multiparty electoral data. Political Analysis
Jackson, John E.
2002. A seemingly unrelated regression model for analyzing multiparty elections. Political Analysis
Katz, Jonathan N., and King, Gary. 1999. A statistical model for multiparty electoral data. American Political Science Review
Laakso, Markku, and Taagepera, Rein. 1979. Effective number of parties: A measure with application to West Europe. Comparative Political Studies
Lipset, Seymour Martin, and Rokkan, Stein. 1967. Cleavage stuctures, party systems and voter alignments: An introduction. In Party systems and voter alignments: Cross-national perspectives, eds. Lipset, S. M. and Rokkan, Stein. New York: Free Press.
Liu, Chuanhai. 1996. Bayesian robust multivariate linear regression with incomplete data. Journal of the American Statistical Association
Molinar, Juan. 1991. Counting the number of parties: An alternative index. American Political Science Review
Mustillo, Thomas J.
2009. Modeling new party performance: A conceptual and methodological approach for volatile party systems. Political Analysis
Myerson, Roger B., and Weber, Robert J.
1993. A theory of voting equilibria. American Political Science Review
Ordeshook, Peter C., and Shvetsova, Olga V.
1994. Ethnic heterogeneity, district magnitude, and the number of parties. American Journal of Political Science
Osborne, Martin J., and Tourky, Rabee. 2008. Party formation in single-issue politics. Journal of the European Economic Association
Rae, Douglas W.
1967. The political consequences of electoral laws. New Haven, CT: Yale University.
Rehm, Phillip, and Reilly, Timothy. 2010. United we stand: Constituency homogeneity and comparative party polarization. Electoral Studies
Riker, William. 1982. The two-party system and Duverger's law: An essay on the history of political science. American Political Science Review
Sartori, Giovani. 1976. Parties and party systems. A framework for analysis. Cambridge: Cambridge University Press.
Selway, Joel S.
2011. The measurement of cross-cutting cleavages and other multidimensional cleavage structures. Political Analysis
Tomz, Michael, Tucker, Joshua A., and Wittenberg, Jason. 2002. An easy and accurate regression model for multiparty electoral data. Political Analysis