This article analyzes a discrete time lost sales inventory system with partially observed demand and unobserved shrinkages which happen both before and after the demand realization. When the demand exceeds the remaining inventory, the unmet demand is lost and unobserved. This problem in general...

Overconfidence is one of the most consistent, powerful, and widespread cognitive biases affecting decision making in situations characterized by random outcomes. In this paper, we study the effects and implications of overconfidence in a competitive newsvendor setting. In this context,...

This paper investigates the impacts of transshipment between overconfident newsvendors who perceive the expected outcome of an uncertain event as more certain than it actually is. The conventional wisdom is that transshipment is a risk-pooling strategy for improving newsvendors’ performance....