A Dynamic State-Space Model of Coded Political Texts

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ELFF, Martin, 2013. A Dynamic State-Space Model of Coded Political Texts. In: Political Analysis. 21(2), pp. 217-232. ISSN 1047-1987. eISSN 1476-4989

@article{Elff2013Dynam-22269, title={A Dynamic State-Space Model of Coded Political Texts}, year={2013}, doi={10.1093/pan/mps042}, number={2}, volume={21}, issn={1047-1987}, journal={Political Analysis}, pages={217--232}, author={Elff, Martin} }

<rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:bibo="http://purl.org/ontology/bibo/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:dcterms="http://purl.org/dc/terms/" xmlns:xsd="http://www.w3.org/2001/XMLSchema#" > <rdf:Description rdf:about="https://kops.uni-konstanz.de/rdf/resource/123456789/22269"> <dcterms:issued>2013</dcterms:issued> <dc:date rdf:datatype="http://www.w3.org/2001/XMLSchema#dateTime">2013-04-25T11:36:41Z</dc:date> <dc:creator>Elff, Martin</dc:creator> <dcterms:abstract xml:lang="eng">This article presents a new method of reconstructing actors' political positions from coded political texts. It is based on a model that combines a dynamic perspective on actors' political positions with a probabilistic account of how these positions are translated into emphases of policy topics in political texts. In the article it is shown how model parameters can be estimated based on a maximum marginal likelihood principle and how political actors’ positions can be reconstructed using empirical Bayes techniques. For this purpose, a Monte Carlo Expectation Maximization algorithm is used that employs independent sample techniques with automatic Monte Carlo sample size adjustment. An example application is given by estimating a model of an economic policy space and a noneconomic policy space based on the data from the Comparative Manifesto Project. Parties’ positions in policy spaces reconstructed using these models are made publicly available for download.</dcterms:abstract> <dcterms:bibliographicCitation>Political Analysis ; 21 (2013), 2. - S. 217-232</dcterms:bibliographicCitation> <dcterms:title>A Dynamic State-Space Model of Coded Political Texts</dcterms:title> <dcterms:rights rdf:resource="http://nbn-resolving.org/urn:nbn:de:bsz:352-20140905103605204-4002607-1"/> <dcterms:available rdf:datatype="http://www.w3.org/2001/XMLSchema#dateTime">2013-04-25T11:36:41Z</dcterms:available> <bibo:uri rdf:resource="http://kops.uni-konstanz.de/handle/123456789/22269"/> <dc:language>eng</dc:language> <dc:rights>deposit-license</dc:rights> <dc:contributor>Elff, Martin</dc:contributor> </rdf:Description> </rdf:RDF>

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