<?xml version="1.0" encoding="UTF-8"?><?xml-stylesheet type="text/xsl" href="static/style.xsl"?><OAI-PMH xmlns="http://www.openarchives.org/OAI/2.0/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/ http://www.openarchives.org/OAI/2.0/OAI-PMH.xsd"><responseDate>2026-04-13T05:57:37Z</responseDate><request verb="GetRecord" identifier="oai:www.recercat.cat:2445/12027" metadataPrefix="marc">https://recercat.cat/oai/request</request><GetRecord><record><header><identifier>oai:recercat.cat:2445/12027</identifier><datestamp>2025-12-05T02:00:48Z</datestamp><setSpec>com_2072_1057</setSpec><setSpec>col_2072_478917</setSpec><setSpec>col_2072_478919</setSpec><setSpec>col_2072_478940</setSpec></header><metadata><record xmlns="http://www.loc.gov/MARC21/slim" xmlns:dcterms="http://purl.org/dc/terms/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:doc="http://www.lyncode.com/xoai" xsi:schemaLocation="http://www.loc.gov/MARC21/slim http://www.loc.gov/standards/marcxml/schema/MARC21slim.xsd">
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      <subfield code="a">Roch, Oriol</subfield>
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      <subfield code="a">Alegre Escolano, Antonio</subfield>
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      <subfield code="c">2010-04-09T10:37:55Z</subfield>
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      <subfield code="c">2010-04-09T10:37:55Z</subfield>
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      <subfield code="c">2005</subfield>
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      <subfield code="a">In this paper we deal with the identification of dependencies between time series of equity returns. Marginal distribution functions are assumed to be known, and a bivariate chi-square test of fit is applied in a fully parametric copula approach. Several families of copulas are fitted and compared with Spanish stock market data. The results show that the t-copula generally outperforms other dependence structures, and highlight the difficulty in adjusting a significant number of bivariate data series</subfield>
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   <datafield ind2=" " ind1=" " tag="520">
      <subfield code="a">- En aquest article tracta amb la identificació de dependències entre sèries temporals de rendiments d'accions. Les distribucions marginals se suposen conegudes, i un test ji-quadrat bivariant s'aplica dins d'un enfocament totalment paramètric. Diverses famílies de còpules són ajustades i comparades amb dades de la borsa espanyola. Els resultats mostren que la t-còpula generalment supera altres estructures de dependència, i destaca la dificultat d¿ajustar un nombre significant de sèries temporals bivariants.</subfield>
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      <subfield code="a">Models economètrics</subfield>
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      <subfield code="a">Gestió del risc</subfield>
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      <subfield code="a">Econometric models</subfield>
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      <subfield code="a">Risk management</subfield>
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      <subfield code="a">Testing the bivariate distribution of daily equity returns using copulas: an application to the Spanish stock market</subfield>
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