Causalidad de Granger entre iliquidez y volatilidad en el mercado financiero colombiano
dc.contributor.advisor | Sosa Martínez, Juan Camilo | |
dc.contributor.author | Rivera Briceño, Andrés Felipe | |
dc.coverage.country | Colombia | |
dc.date.accessioned | 2025-09-15T13:23:43Z | |
dc.date.available | 2025-09-15T13:23:43Z | |
dc.date.issued | 2025 | |
dc.description | ilustraciones (principalmente a color), diagramas | spa |
dc.description.abstract | En la teoría, se postula una relación causal entre la volatilidad del precio de un activo y su iliquidez en el mercado. En este contexto, se plantea la hipótesis de que una de estas variables podría mejorar el pronóstico de la otra al incluirla en un conjunto de variables predictoras. Es decir, una de ellas podría causar la otra según el concepto de Granger, lo que sería relevante para gestionar el riesgo de una cartera de inversión. Esta idea ha motivado diversos estudios, principalmente en mercados financieros desarrollados. Sin embargo, las conclusiones de estos estudios son divergentes debido a la complejidad y particularidades de cada mercado. Esto presenta un desafío para la gestión de riesgos de activos financieros en Colombia, ya que se asume que el comportamiento de estas variables se replica en este mercado, que difiere de los mercados estudiados en la literatura. En el presente documento se prueba la existencia y la dirección de la relación ‘‘causal’’ en el sentido de Granger entre iliquidez y volatilidad en el mercado financiero colombiano por medio de metodologías tradicionales de series de tiempo, tales como la prueba de causalidad de Granger, y metodologías aplicadas del campo de redes neuronales y aprendizaje automático como la prueba de Wilcoxon sobre los errores de predicción, penalizaciones aplicadas a modelos Long-Short Term Memory y Multi Layer Perceptron, y Granger-Causal Attentive Mixture of Experts. (Texto tomado de la fuente) | spa |
dc.description.abstract | In theory, there is a postulated causal relationship between the price volatility of an asset and its illiquidity in the market. In this context, the hypothesis is raised that one of these variables could enhance the forecast of the other by including it in a set of predictor variables. That is, one of them could cause the other according to the Granger concept, which would be relevant for managing the risk of an investment portfolio. This idea has motivated various studies, mainly in developed financial markets. However, the conclusions of these studies diverge due to the complexity and particularities of each market. This presents a challenge for the risk management of financial assets in Colombia, as it is assumed that the behavior of these variables is replicated in this market, which differs from the markets studied in the literature. In this document, the existence and direction of the ‘‘causal’’ relationship between liquidity and volatility in the Colombian financial market is tested by using traditional time series methodologies, such as the Granger causality test, as well as methodologies applied from the field of neural networks and machine learning, such as the Wilcoxon test, penalties applied to LSTM and MLP models, and Granger-Causal Attentive Mixtures of Experts | eng |
dc.description.curriculararea | Estadística.Sede Bogotá | |
dc.description.degreelevel | Maestría | |
dc.description.degreename | Magíster en Ciencias - Estadística | |
dc.format.extent | x, 62 páginas | |
dc.format.mimetype | application/pdf | |
dc.identifier.instname | Universidad Nacional de Colombia | spa |
dc.identifier.reponame | Repositorio Institucional Universidad Nacional de Colombia | spa |
dc.identifier.repourl | https://repositorio.unal.edu.co/ | spa |
dc.identifier.uri | https://repositorio.unal.edu.co/handle/unal/88757 | |
dc.language.iso | spa | |
dc.publisher | Universidad Nacional de Colombia | |
dc.publisher.branch | Universidad Nacional de Colombia - Sede Bogotá | |
dc.publisher.faculty | Facultad de Ciencias | |
dc.publisher.place | Bogotá, Colombia | |
dc.publisher.program | Bogotá - Ciencias - Maestría en Ciencias - Estadística | |
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dc.rights.accessrights | info:eu-repo/semantics/openAccess | |
dc.rights.license | Atribución-NoComercial-SinDerivadas 4.0 Internacional | |
dc.rights.uri | http://creativecommons.org/licenses/by-nc-nd/4.0/ | |
dc.subject.bne | Estadística económica | spa |
dc.subject.bne | Economic statistics | eng |
dc.subject.bne | Incertidumbre (Estadística) | spa |
dc.subject.bne | Uncertainty | eng |
dc.subject.bne | Toma de decisiones (Estadística) | spa |
dc.subject.bne | Statistical decision | eng |
dc.subject.bne | Riesgo financiero -- Métodos estadísticos | spa |
dc.subject.bne | Financial risk -- Statistical methods | eng |
dc.subject.bne | Riesgo (Economía) -- Modelos matemáticos | spa |
dc.subject.bne | Risk -- Mathematical models | eng |
dc.subject.bne | Series temporales | spa |
dc.subject.bne | Time-series analysis | eng |
dc.subject.bne | Variaciones estacionales (Economía) -- Métodos estadísticos | spa |
dc.subject.bne | Seasonal variations (Economics) -- Statistical methods | eng |
dc.subject.bne | Liquidez bancaria -- Modelos econométricos | spa |
dc.subject.bne | Liquidity (Economics) -- Econometric models | eng |
dc.subject.bne | Machine learning | eng |
dc.subject.ddc | 330 - Economía::332 - Economía financiera | |
dc.subject.ddc | 510 - Matemáticas::518 - Análisis numérico | |
dc.subject.ddc | 510 - Matemáticas::519 - Probabilidades y matemáticas aplicadas | |
dc.subject.other | Causalidad de Granger | spa |
dc.subject.other | Mercado financiero -- Métodos estadísticos | spa |
dc.subject.other | Financial markets -- Statistical methods | eng |
dc.subject.other | Aprendizaje automático (Inteligencia artificial) | spa |
dc.subject.proposal | Causalidad de Granger | spa |
dc.subject.proposal | Volatilidad | spa |
dc.subject.proposal | Iliquidez | spa |
dc.subject.proposal | Series de tiempo | spa |
dc.subject.proposal | Redes neuronales | spa |
dc.subject.proposal | Aprendizaje de máquina | spa |
dc.subject.proposal | Mercados financieros | spa |
dc.subject.proposal | Granger causality | eng |
dc.subject.proposal | Volatility | eng |
dc.subject.proposal | Iliquidity | eng |
dc.subject.proposal | Time series | eng |
dc.subject.proposal | Neural networks | eng |
dc.subject.proposal | Machine Learning | eng |
dc.subject.proposal | Financial markets | eng |
dc.subject.unam | Prueba de hipótesis estadística | spa |
dc.subject.unam | Statistical hypothesis testing | eng |
dc.subject.wikidata | Granger causality | eng |
dc.title | Causalidad de Granger entre iliquidez y volatilidad en el mercado financiero colombiano | spa |
dc.title.translated | Granger causality between illiquidity and volatility in the colombian financial market | eng |
dc.type | Trabajo de grado - Maestría | |
dc.type.coar | http://purl.org/coar/resource_type/c_bdcc | |
dc.type.coarversion | http://purl.org/coar/version/c_ab4af688f83e57aa | |
dc.type.content | Text | |
dc.type.driver | info:eu-repo/semantics/masterThesis | |
dc.type.redcol | http://purl.org/redcol/resource_type/TM | |
dc.type.version | info:eu-repo/semantics/acceptedVersion | |
dcterms.audience.professionaldevelopment | Administradores | |
dcterms.audience.professionaldevelopment | Estudiantes | |
dcterms.audience.professionaldevelopment | Investigadores | |
dcterms.audience.professionaldevelopment | Público general | |
oaire.accessrights | http://purl.org/coar/access_right/c_abf2 |
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