A correlação negativa entre número de empresas e tamanho de mercado na indústria brasileira uma revisão histórica da teoria de John Sutton
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Abstract
O presente artigo pretende analisar a correlação negativa entre o tamanho de determinados mercados de produto e o número de empresas no referido mercado, particularmente nos casos de mercados que apresentam custos endógenos substanciais, como mercados altamente intensivos em investimentos em propaganda ou intensivos em inovação tecnológica, pesquisa e desenvolvimento. Por meio de uma análise das teorias empregadas em modelos de oligopólio, e na relação de causalidade entre a estrutura do mercado, a conduta dos participantes do mercado e o desempenho das indústrias no setor, pretende-se analisar as possíveis conseqüências de uma operação de concentração em um mercado que apresente essas características e como a teoria
econômica, aplicada na análise de oligopólios, pode auxiliar os órgãos de defesa da concorrência a prever os possíveis reflexos de uma concentração econômica nestes mercados em particular.
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