This exploratory paper sketches some of the behavioral processes that give rise to the learning curve. Using data from two manufacturing departments in an electronic equipment company, we construct a model of productivity improvement as a function of cumulative output and two managerial...

This paper examines the effect on product development of project scope: the extent to which a new product is based on unique parts developed in-house. Using data from a larger study of product development in the world auto industry, the paper presents evidence on the impact of scope on lead time...

This paper argues that the architecture of a codebase is a critical factor that lies at the heart of the open source development process. We define two observable properties of an architecture: (1) modularity and (2) option value. Developers can often make informed judgments about modularity and...