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	Political Survival Analysis	Coalition Formation Analysis
Odbor	Political Economy	Political Economy
Rodina	Survival analysis	MCDM
Rok vzniku	2003	1962
Tvorca	Bruce Bueno de Mesquita et al.; Janet Box-Steffensmeier & Bradford Jones	William Riker; Michael Laver & Norman Schofield
Typ	Survival / event-history regression model	Formal theory of coalition selection
Pôvodný zdroj	Bueno de Mesquita, B., Smith, A., Siverson, R. M., & Morrow, J. D. (2003). The Logic of Political Survival. MIT Press. ISBN: 9780262025461	Riker, W. H. (1962). The Theory of Political Coalitions. Yale University Press. ISBN: 9780300001754
Ďalšie názvy	Leader Survival Analysis, Government Duration Analysis, Selectorate Survival Model, Political Event-History Analysis	Minimal Winning Coalition Theory, Riker Size Principle, Coalition Theory, Government Coalition Analysis
Príbuzné	3	4
Zhrnutie	Political survival analysis applies survival and event-history models to the time leaders, governments, and regimes remain in power before failing. Methodologically it rests on the hazard-modeling apparatus codified for social scientists by Box-Steffensmeier and Jones in 2004 — the Cox proportional-hazards model and parametric alternatives such as the Weibull, estimated on duration data with censoring. Substantively it is anchored in the selectorate theory of Bueno de Mesquita, Smith, Siverson, and Morrow's 2003 The Logic of Political Survival, which explains the hazard of losing office in terms of the size of the winning coalition (W) and the selectorate (S). The model links institutional structure and performance to the risk that an incumbent's tenure ends.	Coalition formation analysis is the formal study of which subset of parties will combine to form a governing or decision-making coalition when no single party commands a majority. William Riker's 1962 The Theory of Political Coalitions supplied the foundational logic: under pure office-seeking, rational politicians form minimal winning coalitions and, by the size principle, the smallest winning coalition possible, so that the spoils of office are divided among as few partners as necessary. Michael Laver and Norman Schofield's 1990 Multiparty Government enriched this with policy-seeking motives, showing that coalitions also tend to be ideologically connected. The framework predicts coalition membership from seat shares and party positions.