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Researchers have made the first maps of corporate stock ownership for the stock markets of a large number of countries, 48 in all. The new network analysis technique reveals “backbones” in these ownership networks: big players that together own a controlling stake in more than 80 percent of the companies in the markets.

80% das companhias existentes nos mercados financeiros de 48 países são controlados por um punhado de empresas... reveladas através da análise de redes...

complexidade análise de redes, finanças, mercado financeiro, redes