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Time-series count d...
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Brännäs, KurtUmeå universitet,Nationalekonomi
(författare)
Time-series count data regression
- Artikel/kapitelEngelska1994
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Informa UK Limited,1994
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LIBRIS-ID:oai:DiVA.org:umu-65003
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https://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-65003URI
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https://doi.org/10.1080/03610929408831424DOI
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Språk:engelska
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Sammanfattning på:engelska
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Ämneskategori:art swepub-publicationtype
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The count data model studied in the paper extends the Poisson model by allowing for overdispersion and serial correlation. Alternative approaches to estimate nuisance parameters, required for the correction of the Poisson maximum likelihood covariance matrix estimator and for a quasi-likelihood estimator, are studied. The estimators are evaluated by finite sample Monte Carlo experimentation. It is found that the Poisson maximum likelihood estimator with corrected covariance matrix estimators provide reliable inferences for longer time series. Overdispersion test statistics are wellbehaved, while conventional portmanteau statistics for white noise have too large sizes. Two empirical illustrations are included.
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Johansson, PerUmeå universitet,Nationalekonomi
(författare)
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Umeå universitetNationalekonomi
(creator_code:org_t)
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Ingår i:Communications in Statistics - Theory and Methods: Informa UK Limited23:10, s. 2907-29250361-09261532-415X
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