This paper is an attempt to quantify key aspects of innovations, 'basicness' and appropriability, and explore the linkages between them. We rely on detailed patent data. particularly on patent citations, thus awarding the proposed measures a very wide coverage. Relying on the prior that...

This paper examines the mainframe computer market from 1985-1991 and attempts to identify the types of buyers that demand particular computer features, such as speed and memory. To identify these buyers, demand for computer characteristics is estimated using a demand model based on Rosen (1974)....