Despite a large body of literature on the topic, empirical tests of real option models are scarce. The lack of data offers an initial explanation for this. However other intrinsic reasons could well explain why real options are difficult to test on large-scale studies. We show that the use of...

We define a coherent risk measures as set-valued maps satisfying some axioms. We show that this definition is a convenient extension of the real-valued risk measures introduced by Artzner, Delbaen, Eber and Heath (1998). We then discuss the aggregation issue, i.e. the passage from valued random...

The disclosure of information to workers can take several forms (company journal, meeting with shop stewards, etc). This paper is about a form rarely studied: the boss's speech at the work medal ceremony. These medals were created by the ministry of commerce in France in 1886. The success of...

In June 2005, the scientific journal Long Range Planning devoted a special issue to organizational failure, with a focus on papers showing that firms are largely encouraged to learn from failures, but that this is often easier said than done. At the same time, the Journal of Organizational...

This article concerns strategic moves developed by the Danone group since its creation. The proposed analysis shows that the group has considerably evolved, both at the levels of strategic business units and geographic markets. Changes have been conducted according to the strategic objective of...