Following up on recent debates about sectoral systems of innovation and production, the paper introduces a heuristic framework for analyzing and explaining distinct patterns of technology-based sectoral change. The concept is based on two main interrelated influencing factors. The first is the...

In socio-technical transitions research, capacities relevant for transformations have primarily been assessed at systemic or niche levels, with capacities of individual actors to engage in transformative activities not yet well-conceptualized. This paper draws on theories of power in...

"For a variety of reasons described in the paper, improving the performance of urban school districts is more difficult today than it was several decades ago. Yet economic and social changes make performance improvement especially important today. Two quite different bodies of research provide...