Conventional wisdom says a few sticky, fat fingers control a disproportionate slice of the world economy’s pie. A new analysis suggests that the conventional wisdom is right on the money.
![](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2011/08/14774.gif?resize=300%2C236&ssl=1)
Diagramming the relationships between more than 43,000 corporations reveals a tightly connected core of top economic actors. In 2007, a mere 147 companies controlled nearly 40 percent of the monetary value of all transnational corporations, researchers report in a paper published online July 28 at arXiv.org.
“This is empirical evidence of what’s been understood anecdotally for years,” says information theorist Brandy Aven of the Tepper School of Business at Carnegie Mellon in Pittsburgh.