Barnett has also twice been a Fellow at the Center for Advanced Study in the Behavioral Sciences, and is a Senior Fellow at the Woods Institute for the Environment at Stanford University. Barnett serves as associate editor or editorial board member for several academic journals, and served on the board of directors of iLoop Mobile.
Barnett studies competition among organizations and how organizations and industries evolve over time. He has studied how strategic differences and strategic change among organizations affect their growth, performance, and survival. This research includes empirical studies of technical, regulatory, and ideological changes among organizations, and how these changes affect competitiveness over time and across markets.
His studies span a range of industries and contexts, including organizations in computers, telecommunications, research and development, software, semiconductors, disk drives, newspaper publishing, beer brewing, banking, and the environment.