Are Short-Cycle Programs Worthwhile?
25. A challenge in using online job vacancies is that the sample of online job vacancies is not representative of all job vacancies. However, as a greater share of the population becomes connected to the internet, this bias is progressively eliminated. In Latin America, 65 percent of individuals use the internet. However, the fraction varies among countries. Chile has the largest share, at 82 percent, and Peru has the smallest, at 53 percent (Word Telecommunication/ICT Development data set). 26. Several authors have analyzed online job vacancies in the United States and the variation in skill requirements. Deming and Kahn (2018) find substantial variation in skill requirements, even within occupations, over 2010–15. They argue that higher paying labor markets and firms demand higher levels of cognitive skills and social skills from their employees. Hershbein and Kahn (2018) show that skill requirements in job vacancy postings differentially increased in areas that were hit hard by the Great Recession, relative to less hard-hit areas. They also find that the effects are most pronounced in routine-cognitive occupations, which exhibit relative wage growth as well. 27. González-Velosa and Peña (2019).
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