Decisions under risk and ambiguity are frequently encountered nowadays, and associated preferences are frequently quantified. This article deals with the relationship between individuals’ preferences towards risk and ambiguity. In particular, we question the correlation of the preferences and...

In this paper, we build on the emerging literature on group decision-making to study the so-called ‘group shift’ effect, i.e., groups are less risk-averse than individuals. Our study complements past research in two ways. First, we study the group shift effect under two sources of...

The paper focuses on forests management strategies for natural hazards of nonindustrial owners, in the case where the forest provides nontimber services. We introduce a basic two-period model where the private owner manages natural hazards on his forest thanks to the accumulation of savings on...