2022
DOI: 10.1016/j.physa.2021.126770
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The structure of the South African stock market network during COVID-19 hard lockdown

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Cited by 8 publications
(3 citation statements)
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“…Consequently, these events can disrupt pre-existing network structures [26]. Therefore, it is crucial for clean energy investors and policymakers to comprehend the risk-return profile of clean energy investments, as well as the potential time-varying characteristics and risk aversion properties [27]. Under extreme market conditions, green bonds led to short-term growth in the clean energy sector and exerted an increasingly positive influence following the outbreak of the COVID-19 pandemic [28].…”
Section: Literature Reviewmentioning
confidence: 99%
“…Consequently, these events can disrupt pre-existing network structures [26]. Therefore, it is crucial for clean energy investors and policymakers to comprehend the risk-return profile of clean energy investments, as well as the potential time-varying characteristics and risk aversion properties [27]. Under extreme market conditions, green bonds led to short-term growth in the clean energy sector and exerted an increasingly positive influence following the outbreak of the COVID-19 pandemic [28].…”
Section: Literature Reviewmentioning
confidence: 99%
“…For example, Pereira et al applied centrality measures of weighted degree and PageRank to the DCCA network of 20 regional stock markets and concluded that European markets play a central role in the world's financial markets [28]. Mbatha and Alovokpinhou constructed the network of 134 companies from the South African stock market and found that the financial industry plays the most prominent role [29].…”
Section: Introductionmentioning
confidence: 99%
“…When the VAR-based methods characterize the directional relationship that a shock in one time series leads to the volatility change in another time series within a given lag time, the DCCA approach describes the bilateral relationship of co-fluctuation of two time series. In spite of the widespread applications of the DCCA approach in investigating the dynamics of financial networks [8,[27][28][29][30][31][32], whether, or to what extent, can such an approach represent the volatility spillover effect as indicated by the VAR-based measures is still unclear. The exploration of such a research question is crucial to deepen the understanding of the dynamics of complex financial systems, as well as enrich the application of the DCCA approach.…”
Section: Introductionmentioning
confidence: 99%