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Counting the Number of Parties: An Alternative Index

https://doi.org/10.2307/1963951
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2 of 10 checkable references need attention · checked 2026-08-28

At the dated check, the references listed below either did not resolve in Crossref or DataCite, or carried a retraction notice. Each one is shown with the registry record that put it there.

15 without a DOI — not checked. A reference deposited without a DOI is never matched by title or guessed at; it stays outside the checked set, and this line discloses that.

References needing attention

does not resolve to a known work10.1017/S0003055400117472
does not resolve to a known work10.1017/S0003055400262382
The 8 checked references that resolve
resolves10.1177/001041407100400205
The Measurement of Hyperfractionalization
resolves10.1002/j.1538-7305.1948.tb01338.x
A Mathematical Theory of Communication
resolves10.2307/1953769
French Local Politics: A Statistical Examination of Grass Roots Consensus
resolves10.1525/9780520378179
National Power and the Structure of Foreign Trade
resolves10.1017/S0008423900036507
Party Systems and Patterns of Government in Western Democracies
resolves10.2307/1953257
The Measurement of Inter-Party Competition and Systemic Stability
resolves10.1177/001041407901200101
“Effective” Number of Parties
resolves10.2307/1955041
Party Systems and Government Stability
The 15 references without a DOI — listed, not checked
no DOI — not checkedMeasures of Party Systems Properties: The Number and Size of Parties.
no DOI — not checkedParties and Party Systems.
no DOI — not checkedThe Analysis of Political Cleavages.
no DOI — not checkedIsrael at the Polls
no DOI — not checkedNordic Democracy
no DOI — not checkedSeats and Votes: The Effects and Determinants of Electoral Systems.
no DOI — not checkedInequality, Concentration, Imbalance.
no DOI — not checkedPolitical Parties.
no DOI — not checkedThe International Almanac of Electoral History.
no DOI — not checkedUncommon Democracies
no DOI — not checkedHerfindahl Orris . 1950. “Concentration in the Steel Industry.” Ph.D. diss., Columbia University.
no DOI — not checkedUncommon Democracies
no DOI — not checkedStatistical Decomposition Analysis.
no DOI — not checkedThe Mathematical Theory of Communication.
no DOI — not checkedThe Political Consequences of Electoral Laws.
What this badge says. CiteStamped means the CHECKABLE references of this work were clean at the dated check: each resolved to a known work in a public registry, and none carried a retraction notice at that time. It says nothing about the quality, findings, or importance of the work itself, and nothing about references deposited without a DOI.

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