Baird, Matthew; Bozick, Robert; Zaber, Melanie A. - In: IZA Journal of Labor Economics 11 (2022) 1, pp. 1-38
States, these credentials typically take the form of licenses and certifications. Although a critical part of the workforce …Occupational credentials provide an additional-and, at times, alternative-path other than traditional academic degrees … landscape, the literature on the returns to credentials is inadequate, with prior research typically relying on Ordinary Least …