Resumo
O objetivo da pesquisa é analisar a concentração do mercado de auditoria no Peru no período 2014-2019. Foi construído um dado com os honorários pagos pelas empresas auditadas, obtidos a partir do Relatório sobre o cumprimento do Código de Boa Governança Corporativa das empresas listadas na Bolsa de Valores de Lima. A amostra é composta por 638 empresas de diversos setores econômicos do Peru. Utilizando indicadores de concentração de mercado, segmentação por setores econômicos e segmentação por porte da empresa auditada, é possível evidenciar que o mercado de auditoria é altamente concentrado e dominado pelas big four, que existem barreiras de entrada para pequenas firmas de auditoria prestarem seus serviços a firmas maiores auditadas, que as firmas de auditoria são especializadas por setor da economia peruana. Verifica-se também que se especializaram por porte da empresa auditada e que as firmas de auditoria são eficientes em termos de custos para poder atender permanentemente os diferentes segmentos das empresas auditadas.
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