The decision not to renew a fixed-term appointment is often closely linked to the Organization’s broader discretion on how to organize its services. In that respect, the Tribunal notes that in times of scare resources, managers bear particular responsibilities for making sound management decisions, which implies making an assessment of services needed at a given time in a given department, and to avoid to unnecessary expenditure of public money with which they are effectively entrusted. Any post facto assessment of these matters is only relevant to the extent that it is able to demonstrate...