Many fouls committed in football (called soccer in some countries) are ambiguous, and there is no objective way of determining who is the “true†perpetrator or the “true†victim. Consequently, fans as well as referees often rely on a variety of decision cues when judging such...

We ask various experts, who produce sales forecasts that can differ from earlier received model-based forecasts, what they do and why they do so. A questionnaire with a range of questions was completed by no less than forty-two such experts who are located in twenty different countries. We...