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dc.contributor.authorSchmidt, Christoph M.en_US
dc.contributor.authorBaltussen, Roben_US
dc.contributor.authorSauerborn, Raineren_US
dc.date.accessioned2009-01-28T16:18:58Z-
dc.date.available2009-01-28T16:18:58Z-
dc.date.issued2000en_US
dc.identifier.urihttp://hdl.handle.net/10419/21051-
dc.description.abstractThe context of community-based interventions presents formidable problems for any evaluation analysis. Group-randomized studies do possess ideal properties in theory, but in practice, grouprandomization might not be a feasible alternative at all or group-randomized studies might be contaminated. Thus, the decisive advantage of randomized controlled trials, that they and only they provide for a completely convincing identification strategy in the presence of observable and unobservable confounders, is lost. There are alternative strategies for the identification of treatment effects also in the case of unobservable confounders, however, although they specifically require unverifiable a priori information to be available. Moreover, when using non experimental data, one can often easily extend sample size at low cost, and thus estimate parameters very precisely; therefore, for any particular situation the relative attractiveness of experimental and non-experimental approaches should be explored.en_US
dc.language.isoengen_US
dc.publisheren_US
dc.relation.ispartofseriesIZA Discussion paper series 206en_US
dc.subject.jelC92en_US
dc.subject.jelI18en_US
dc.subject.jelC24en_US
dc.subject.ddc330en_US
dc.subject.keywordRandomized controlled trialsen_US
dc.subject.keywordself-selectionen_US
dc.subject.keywordeconometric evaluationen_US
dc.subject.keywordobservational studiesen_US
dc.subject.stwTobit-Modellen_US
dc.subject.stwStichprobenverfahrenen_US
dc.subject.stwExperimenten_US
dc.subject.stwGesundheitspolitiken_US
dc.subject.stwBewertungen_US
dc.subject.stwTheorieen_US
dc.titleThe Evaluation of Community-Based Interventions: Group Randomization, Limits and Alternativesen_US
dc.typeWorking Paperen_US
dc.identifier.ppn33167601Xen_US
dc.rightshttp://www.econstor.eu/dspace/Nutzungsbedingungen-
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