Bonus-malus taxes appear to have been successful in encouraging people to change to less polluting travel options in France (e.g. the tax on large and small engined cars). We hypothesize that they have three possible effects on consumer behaviour. The positive effects are: (1) a price effect...

According to Unconscious Thought Theory (UTT: Dijksterhuis \& Nordgren, 2006), complex decisions are best made after a period of distraction assumed to elicit ``unconscious thought''. Over three studies, respectively offering a conceptual, an identical and a methodologically improved replication...

The work of Kahneman, Tversky and other psychologists has called the classical model of homo ?conomicus into question. Many studies conducted in psychology and economics have shown that classical economic expected utility theory does not satisfactorily describe human behaviour under risk. We...

This paper analyzes experimentally if psychological traits and cognitive biases affect trading behaviour and performance. Based on the answers of 67 subjects to a psychological questionnaire we measured their degree of overconfidence, impulsiveness and self-monitoring, and their availability,...

In this Paper we measure psychological traits and show that they significantly affect behaviour and performance in a financial context. Based on the answers of 184 subjects to a psychological questionnaire we measured their degree of overconfidence, ie. the extent to which they overestimate the...

In this paper I explore how the evolution of emotional expression and co-operative planning in humans may inform the way they communicate about risks, and what implication this may have for models of rationality in risk communication. In particular, I focus on aspects of human language that...

We measure the degree of overconfidence in judgement (in the form of miscalibration, "i.e." the tendency to overestimate the precision of one's information) and self-monitoring (a form of attentiveness to social cues) of 245 participants and also observe their behaviour in an experimental...