Factions with clout: Presidential cabinet coalition and policy in the Uruguayan parliament

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We investigate bill passage by party factions in Uruguay and show that those joining cabinet coalitions earn policy influence. The policy advantage of coalition is therefore not collected by the president alone, as often implied: partners acquire clout in law-making and use it to pass bills of their own and to strike deals with outside factions. Analysis of all bills initiated between 1985 and 2005 reveals that the odds of passing a bill sponsored alone by a majority cabinet faction was about 0.5, up from about 0.15 otherwise. Contingent upon the cabinet status of factions involved, the odds of co-sponsored bills conform well to patterns expected by a view that policy rewards are a fundamental part of the politics of coalition in presidentialism.