Time overruns are common in public works and are not confined to inherently complex tasks. One explanation advanced in this paper is that bidders can undergo unpredictable changes in production costs which generate an option value of waiting. By exploiting the real-option approach, we examine...

This paper analyzes the meaning of comparing the economic performance of strict liability and negligence rule in a unilateral standard accident model under Knightian uncertainty. It focuses on the cost expectation of major harm on which the injurers form beliefs. It shows first that, when the...