Grundlagen -- Wesentliche Begriffe und Untersuchungsfokus -- Grundlegende ökonomische Erkenntnisse zu Nachverhandlungen -- Vertragliches Nachverhandlungsdesign für PPP-Projekte -- Leistungsanpassungen auf Anforderung der öffentlichen Hand -- Private Finanzierung: Nachverhandlungsdesign und...

As governments continue to privatize infrastructure services like electricity or gas the importance of private infrastructure providers increases. After some years these providers are often confronted with stricter state regulation that impacts their freedom of action and reduces their...

Infrastructure concessions are frequently renegotiated after investments are sunk, resulting in better contractual terms for the franchise holders. This paper offers a political economy explanation for renegotiations that occur with no apparent holdup. We argue that they are used by political...