2-3 rounds, panel interviews are with 3-4 economists and research officers, the difficulty depends on the job mandates. You need to figure out what they want to hear. The questions itself won't be that hard.
good, friendly, one question on CV, 2 questions on economic theory, 1 HR question on working with the team and the conflicts that may arise and how to deal with them
Questions d'entretien [1]
Question 1
sources of inflation and drivers of global inflation