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Corporate governance effects on market volatility:empirical evidence from portuguese listed firms

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Detalhes bibliográficos
Resumo:Purpose This study examines the relationship between internal corporate governance mechanisms and firm risk-taking. Design/methodology/approach This research comprises a sample of 38 non-financial Portuguese firms listed on Euronext Lisbon, over the period from 2007 to 2017. To test the formulated hypotheses we use panel-corrected standard errors (PCSE) models. Findings Our results provide evidence that, in the Portuguese context, bigger and younger firms, with larger boards of directors and a greater number of independent directors, present higher levels of systematic risk. Our results are consistent across the robustness checks. Originality/value To the best of our knowledge, this is the first time that a robust incremental effect of board size on firm systematic risk is reported. This result contradicts the prevailing literature and opens up a new debate, from a financial markets viewpoint, on the benefits of larger boards of directors in terms of mitigating market volatility.
Autores principais:Teodósio, João
Outros Autores:Madaleno, Mara; Vieira, Elisabete
Assunto:Directors Board Volatility Stock returns Independence
Ano:2022
País:Portugal
Tipo de documento:artigo
Tipo de acesso:acesso aberto
Instituição associada:Instituto Politécnico de Santarém
Idioma:inglês
Origem:Repositório Científico do Instituto Politécnico de Santarém
Descrição
Resumo:Purpose This study examines the relationship between internal corporate governance mechanisms and firm risk-taking. Design/methodology/approach This research comprises a sample of 38 non-financial Portuguese firms listed on Euronext Lisbon, over the period from 2007 to 2017. To test the formulated hypotheses we use panel-corrected standard errors (PCSE) models. Findings Our results provide evidence that, in the Portuguese context, bigger and younger firms, with larger boards of directors and a greater number of independent directors, present higher levels of systematic risk. Our results are consistent across the robustness checks. Originality/value To the best of our knowledge, this is the first time that a robust incremental effect of board size on firm systematic risk is reported. This result contradicts the prevailing literature and opens up a new debate, from a financial markets viewpoint, on the benefits of larger boards of directors in terms of mitigating market volatility.