If birds, as well as mammals, have personalities, it may make it easier to study the evolutionary pressures that give rise to such systematically different ways of behaving within a single species.

ECONOMIST: Animal personalities

In a forthcoming study in the Economic Journal, my co-authors and I find that privatisation does not systematically lead to large employment cuts.

ECONOMIST: Jos�� Sarney

According to the study, this tendency to be swayed by outside moods is not just an incidental curiosity but can systematically distort rational decisions.

CNN: When emotion takes over