A new measure of skill mismatch: theory and evidence from PIAAC
The measure is derived from a formal theory and combines information about skill proficiency, self-reported mismatch and skill use. The theoretical foundations underling this measure allow identifying minimum and maximum skill requirements for each occupation and to classify workers into three groups: the well-matched, the under-skilled and the over-skilled.
https://izajole.springeropen.com/articles/10.1186/s40172-016-0051-y