Since 1986, when Dow Jones introduced a dual-class share structure, the family has cut its overall shareholding from 54.7% to 24.7%.

在1986年道琼斯开始实行两类股票结构之后，该家族在道琼斯的股份从54.7%降到了24.7%。

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The dual-class share structure at News Corp gives a strong power base to Rupert Murdoch and his close allies.

BBC: News Corp asked to reform board by investors

's dual-class share structure, which allows CEO Murdoch to control the company through the 40 percent of voting shares he controls through a family trust.

WSJ: News Corp. insurers pay $139M in shareholder suit