Please use this identifier to cite or link to this item: https://hdl.handle.net/10419/294883 
Year of Publication: 
2023
Series/Report no.: 
Bruegel Working Paper No. 20/2023
Publisher: 
Bruegel, Brussels
Abstract: 
For emerging professions, such as jobs in the fi eld of artifi cial intelligence (AI) or sustainability (green), labour supply does not meet industry demand. In this scenario of labour shortages, our work aims to understand whether employers have started focusing on individual skills rather than on formal qualifi cations in their recruiting. By analysing a large time series dataset of around one million online job vacancies between 2019 and 2022 from the United Kingdom, and drawing on diverse literature on technological change and labour market signalling, we provide evidence that employers have started so-called 'skill-based hiring' for AI and green roles, as more fl exible hiring practices allow them to increase the available talent pool. In our observation period the demand for AI roles grew twice as much as average labour demand. At the same time, the mention of university education for AI roles declined by 23 percent, while AI roles advertise fi ve times as many skills as job postings on average. Our regression analysis also shows that university degrees no longer show an educational premium for AI roles, while for green positions the educational premium persists. In contrast, AI skills have a wage premium of 16 percent, similar to having a PhD (17 percent). Our work recommends making use of alternative skill building formats such as apprenticeships, on-the-job training, MOOCs (massive open online courses), vocational education and training, micro-certifi cates and online bootcamps to use human capital to its full potential and to tackle talent shortages.
Subjects: 
Future of Work
Labour Markets
Skills
Education
AI
Sustainability
JEL: 
C55
I23 J23
J24
J31
Document Type: 
Working Paper
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