Dow Chemical magnesium price cartel (1946–1975)

The Dow side of the same Kenney-thesis cartel evidence.

There's one plot in here about Alcoa's command of the market. Alcoa had a monopoly. They had 100% of the market for bauxite in the world. They were a true monopoly in the aluminum business. George Kenney, who was Joel Clark's first doctoral student, did his doctoral thesis on aluminum and magnesium and showed pretty convincingly that Alcoa and Dow had fixed prices after World War II. Alcoa said, we won't go into the magnesium business if you stay out of the aluminum business. So Dow took over magnesium and had a monopoly there. You could match their prices over time from 1945 up until 1975 when George did his thesis.