In this exclusive interview, Princeton economist and "New York Times" columnist Paul Krugman discusses the relevance of the Rockefellers in today's business environment of mergers, monopolies, and the new "age of the heroic entrepreneur."

How does Rockefeller’s dominance compare to companies today?
Do mergers occur in the same way today as they did then?

	Was Rockefeller’s monopoly necessary?
Do you see a comparison with how Rockefeller and Gates leveraged their power?

Who are the new robber barons?
Rockefeller was a case study in developing antitrust laws.

	What is Rockefeller’s current status among experts?
What do people not realize about Rockefeller?