2021
DOI: 10.1002/sta4.408
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Stochastic actor‐oriented modelling of the impact of COVID‐19 on financial network evolution

Abstract: The coronavirus disease 2019 (COVID‐19) pandemic has led to tremendous loss of human life and has severe social and economic impacts worldwide. The spread of the disease has also caused dramatic uncertainty in financial markets, especially in the early stages of the pandemic. In this paper, we adopt the stochastic actor‐oriented model (SAOM) to model dynamic/longitudinal financial networks with the covariates constructed from the network statistics of COVID‐19 dynamic pandemic networks. Our findings provide ev… Show more

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Cited by 9 publications
(6 citation statements)
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References 30 publications
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“…The paper 45 documented the extraordinarily high financial network connectedness due to the impacts of the COVID-19 pandemic. In addition, the papers 46 , 47 presented evidence that the pandemic network connectedness can lead the financial network connectedness. The above research documented the possible contagion or transmission of the pandemic risk to financial risk.…”
Section: Discussionmentioning
confidence: 99%
See 1 more Smart Citation
“…The paper 45 documented the extraordinarily high financial network connectedness due to the impacts of the COVID-19 pandemic. In addition, the papers 46 , 47 presented evidence that the pandemic network connectedness can lead the financial network connectedness. The above research documented the possible contagion or transmission of the pandemic risk to financial risk.…”
Section: Discussionmentioning
confidence: 99%
“…Initially, network analysis was applied predominantly in the field of social sciences 36 , but it has now been extended to other fields of study: for example, in the field of medicine to understand the transmission of infectious diseases 37 , the relations between genetics and human diseases 38 , and drug-target interactions 39 and in the finance field to assess systemic risk and contagion effects in financial markets 40 . Due to the global pandemic, an increasing number of studies have also made use of network analysis to predict and visualise pandemic risk 41 44 and its influence on financial market connectedness 45 47 .…”
Section: Introductionmentioning
confidence: 99%
“…SAOMs have been used to model the evolution of friendship (Boda et al, 2020), collaborative networks (Cao et al, 2017), or financial networks (Chu et al, 2021). In social sciences, the nodes in the graph are actors while the edges describe a relation between actors, e.g.…”
Section: Stochastic Actor Oriented Models (Saom)mentioning
confidence: 99%
“…Rolling-window methods have been applied to financial risk management in previous studies. For example, [15] uses a rolling-window method to learn a time series of undirected networks for a stochastic actor-oriented model; [16] proposes a textual modeling method using a rolling-window scheme in a regression model, to predict a market volatility proxy based on the GARCH residuals; [17] studies the effect of the COVID-19 pandemic on financial market connectedness and systemic risk using rolling-window Granger-causality tests; and [18] uses a rolling-window method and a combined method with the topic modeling and network analysis to assess systemic risk in financial markets. Network analysis has been applied to risk assessment [19], pandemic risk management [20][21][22] and financial risk management [13,18,23,24].…”
Section: Introductionmentioning
confidence: 99%