Submit application then you are invited for an interview. For the Oxford office, you must create a presentation demonstrating your Excel skills for the interview. On the interview day, you are asked to complete a small maths test as well.
Interview questions [1]
Question 1
Competency based questions based on the presentation.
I applied online. I interviewed at Oxford Economics (London, England) in Dec 2019
Interview
A two on one interview with an excel test beforehand. The questions lasted around 30 minutes with a short 5-10 minute presentation afterwards. The presentation is on basic skills you have learnt on word excel etc.