In many parts of the world, it is commonplace for wealthy families and successful entrepreneurs to parlay a relatively small financial investment into control of a sprawling corporate empire through the use of a pyramid-like structure in which they directly control a firm that owns a dominant...

Although corporate pyramids are currently commonplace world-wide and although there have been “noteworthy pyramiders” in American business history, this controversial form of corporate organization is now a rarity in the United States. The conventional wisdom is that corporate pyramids...