Building on Oliver Williamson's original analysis, the contributors introduce new ideas, different perspectives and provide tools for better understanding changes in the approach to regulation, the reform of public utilities, and the complex problems of governance. They draw largely upon a...

Firm integration is fundamentally shaped by contractual frictions. But do better contracting institutions, reducing these frictions, induce firms to be more or less deeply integrated? To address this question, this paper exploits unique micro data on ownership shares across more than 200,000...