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The dynamic causality in sporadic bursts between CO(2) emission allowance prices and clean energy index
This study examines the dynamic causality between the carbon emission market and the clean energy market, using an information flow-based, quantitative Liang causality analysis which is firmly grounded on physics and derived from first principles. The dynamic causal relationships between European Un...
Autores principales: | , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
Springer Berlin Heidelberg
2022
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9186288/ https://www.ncbi.nlm.nih.gov/pubmed/35687289 http://dx.doi.org/10.1007/s11356-022-21316-5 |
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author | Lu, Xunfa Liu, Kai Liang, Xiang San Lai, Kin Keung Cui, Hairong |
author_facet | Lu, Xunfa Liu, Kai Liang, Xiang San Lai, Kin Keung Cui, Hairong |
author_sort | Lu, Xunfa |
collection | PubMed |
description | This study examines the dynamic causality between the carbon emission market and the clean energy market, using an information flow-based, quantitative Liang causality analysis which is firmly grounded on physics and derived from first principles. The dynamic causal relationships between European Union Allowance (EUA) prices and clean energy index allow us to explore whether the causality in return or in variance from CO(2) emission allowances to the clean energy index is time-varying. The results show that the causal relationships in return and in variance between EUA and Clean Energy Index (CEI) are drastically time-varying. For the causality in return, a significant unidirectional long-term and stable causality from CEI to EUA is identified after March 2020. For that in variance, a bidirectional causality is found after March 2020, but values after 2020 are opposite to those in return. It seems when fluctuations in the clean energy market are low, the clean energy market has a weak causal effect on the carbon emission market but when volatility in the clean energy market is increasing, causalities between the two markets are significantly strengthened. These results obtained through this rigorous causality analysis can serve as a reference for academics, market participants, and policymakers to understand the underlying links between EUA prices and clean energy index. |
format | Online Article Text |
id | pubmed-9186288 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2022 |
publisher | Springer Berlin Heidelberg |
record_format | MEDLINE/PubMed |
spelling | pubmed-91862882022-06-10 The dynamic causality in sporadic bursts between CO(2) emission allowance prices and clean energy index Lu, Xunfa Liu, Kai Liang, Xiang San Lai, Kin Keung Cui, Hairong Environ Sci Pollut Res Int Research Article This study examines the dynamic causality between the carbon emission market and the clean energy market, using an information flow-based, quantitative Liang causality analysis which is firmly grounded on physics and derived from first principles. The dynamic causal relationships between European Union Allowance (EUA) prices and clean energy index allow us to explore whether the causality in return or in variance from CO(2) emission allowances to the clean energy index is time-varying. The results show that the causal relationships in return and in variance between EUA and Clean Energy Index (CEI) are drastically time-varying. For the causality in return, a significant unidirectional long-term and stable causality from CEI to EUA is identified after March 2020. For that in variance, a bidirectional causality is found after March 2020, but values after 2020 are opposite to those in return. It seems when fluctuations in the clean energy market are low, the clean energy market has a weak causal effect on the carbon emission market but when volatility in the clean energy market is increasing, causalities between the two markets are significantly strengthened. These results obtained through this rigorous causality analysis can serve as a reference for academics, market participants, and policymakers to understand the underlying links between EUA prices and clean energy index. Springer Berlin Heidelberg 2022-06-10 2022 /pmc/articles/PMC9186288/ /pubmed/35687289 http://dx.doi.org/10.1007/s11356-022-21316-5 Text en © The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature 2022 This article is made available via the PMC Open Access Subset for unrestricted research re-use and secondary analysis in any form or by any means with acknowledgement of the original source. These permissions are granted for the duration of the World Health Organization (WHO) declaration of COVID-19 as a global pandemic. |
spellingShingle | Research Article Lu, Xunfa Liu, Kai Liang, Xiang San Lai, Kin Keung Cui, Hairong The dynamic causality in sporadic bursts between CO(2) emission allowance prices and clean energy index |
title | The dynamic causality in sporadic bursts between CO(2) emission allowance prices and clean energy index |
title_full | The dynamic causality in sporadic bursts between CO(2) emission allowance prices and clean energy index |
title_fullStr | The dynamic causality in sporadic bursts between CO(2) emission allowance prices and clean energy index |
title_full_unstemmed | The dynamic causality in sporadic bursts between CO(2) emission allowance prices and clean energy index |
title_short | The dynamic causality in sporadic bursts between CO(2) emission allowance prices and clean energy index |
title_sort | dynamic causality in sporadic bursts between co(2) emission allowance prices and clean energy index |
topic | Research Article |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9186288/ https://www.ncbi.nlm.nih.gov/pubmed/35687289 http://dx.doi.org/10.1007/s11356-022-21316-5 |
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