Chicago School
If One Monopoly Is Good for the Firm, Are Two Always Better? Aaron Director and the Tie-in Problem
When IBM patented a punch card processing machine, it had the power to influence both the market of machines and punch cards, but this is...
Aaron Director’s Legacy: The Beginning of Doubt is the Beginning of Wisdom
Aaron Director died 15 years ago. He published almost nothing, but his ideas influenced a generation of economists and intellectuals. Professor Stephen Stigler remembers...
