The struggle of small firms to retain high-skill workers: job duration and the importance of knowledge intensity Small Business Economics Journal Article Hugo Castro-Silva Francisco Lima Publication Year of Publication: 2023 Identifiers Other Numbers: 109282750 Locators URL https://doi.org/10.1007/s11187-022-00602-z DOI: 10.1007/s11187-022-00602-z Sustainable Development Goals