Agricultural price volatility is "bad". But where does it come from? Remedies are completely different for "endogenous" or "exogenous" fluctuations. The recent crisis seems to indicate that exogenous remedies have been applied to endogenous fluctuations.

In the 1970s, Thomas C. Schelling proposed a model which claimed to show that a high degree of spatial segregation can result from individual preferences which do not in themselves aim to achieve such a degree of collective segregation. A perverse effect seems therefore to occur. However, the...

L'objet de ce papier est d'analyser le profil des hommes qui participent à l'élaboration des normes comptables. La discussion s'articule autour de trois points : 1) l'opposition entre experts et représentants ; 2) l'émergence de plus en plus marquée de professionnels de la normalisation ;...