We show that supply networks are inefficiently, and insufficiently, resilient. Upstream firms can expand their production capacity to hedge against supply and demand shocks. But the social benefits of such investments are not internalized due to market power and market incompleteness. Upstream...

This paper examines optimal decision making under three different organizational forms: committees, hierarchies and polyarchies. Our focus is on the trade-off between errors of rejecting good projects versus errors of accepting bad projects, and on the trade-off between gains from more extensive...

These contributions discuss a number of important developments over the past decade in a newly established and important field of economics that have led to notable changes in views on governmental competition policies. They focus on the nature and role of competition and other determinants of...