It's chapter 11 is used both in supply chain and corporate finance as the reference.
It provides very important intuition about bayesiam Eq., Nash Eq., and other stuff in contract theory.
For example it contains all the information for pooling, separating and semi separating equilibrium, which was an advanced topic in both contract theory and corporate finance. 

Great book

Review: Theory of Industrial Organization

I don't know if this is too theory heavy for my interests; worth a look though

Review: Theory of Industrial Organization

A great book. You may find yourself doubling up ever so slightly if you have also got The Theory of Corporate Finance. Read full review