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Skills or credentials? How skill specific and standardized vocational training moderates the wages of occupational mismatches

Kevin Alan Franz Ruf

Research in Social Stratification and Mobility2026https://doi.org/10.1016/j.rssm.2026.101136article
AJG 3
Weight
0.50

What the paper says

This article examines the relationship between institutional features of vocational education and wage outcomes following occupational mismatches using a multidimensional mismatch framework. Drawing on German administrative data for early‑career male VET graduates, the analysis assesses how two institutional dimensions, training standardization and skill specificity, relate to wage returns for horizontal, vertical, and full mismatches. The results show that higher standardization negatively moderates wage outcomes for horizontal and full mismatches, while greater skill specificity is linked to reduced transferability and increases wage penalties for vertical mismatches. Individuals in full mismatches experience large baseline penalties that appear less conditioned by institutional features. Horizontal mismatches do not show wage penalties when multiple mismatch dimensions are considered simultaneously. These findings suggest that distinct institutional features of the training system, credential verification and skill transferability, relate to mismatch outcomes and contribute to stratification in early‑career wages. • Education characteristics moderate wage penalties of multidimensional mismatches. • Skill-specific training limits transferability, exacerbating wage penalties of mismatches. • Standardized credentials increase wage penalties for horizontal mismatches while mitigating those for vertical mismatches. • Full mismatches result in severe wage penalties, independent of institutionalization.

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https://doi.org/https://doi.org/10.1016/j.rssm.2026.101136

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@article{kevin2026,
  title        = {{Skills or credentials? How skill specific and standardized vocational training moderates the wages of occupational mismatches}},
  author       = {Kevin Alan Franz Ruf},
  journal      = {Research in Social Stratification and Mobility},
  year         = {2026},
  doi          = {https://doi.org/https://doi.org/10.1016/j.rssm.2026.101136},
}

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Evidence weight

0.50

Balanced mode · F 0.40 / M 0.15 / V 0.05 / R 0.40

F · citation impact0.50 × 0.4 = 0.20
M · momentum0.50 × 0.15 = 0.07
V · venue signal0.50 × 0.05 = 0.03
R · text relevance †0.50 × 0.4 = 0.20

† Text relevance is estimated at 0.50 on the detail page — for your query’s actual relevance score, open this paper from a search result.