A contract with K-class pricing divides a large set of goods or services into K classes and assigns a single price to any element of a class. Class pricing can be efficient when several different versions may be traded and it is costly to assign individual prices to all of them. It is more...

We study the division of labor within an industry, formulate it as a generalized make-or-buy problem, and characterize the optimal allocation of work as that minimizing the sum of adjustment-costs within and between firms. Using a unique dataset on eight segments of the global automobile...