In the Journal of Education and Work, Volume 34, 2021 Issue 4
https://www.tandfonline.com/doi/full/10.1080/13639080.2021.1943330
This paper looks at data on young people between the age of 16 and 29 in the UK between 1975 and 2015, and highlights which characteristics are associated with a higher chance of being NEET and how the importance of these drivers has changed over time.