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Occupational Uniqueness and Wage Growth

R. Vestrelli, A. Fronzetti Colladon · 2026 · arXiv (Cornell University)

DOI: 10.48550/arxiv.2610.28133 · cited by 0 works (OpenAlex) · open-access PDF

Chinese

这些职业任务内容的变化可能有不同的经济影响,取决于所获得或失去的任务是否是职业特定或已经在整个经济中普遍存在的。 现有的职业任务内容的变化措施主要是从这一区别中抽象的,将职业视为自我包含的任务组合,而不是考虑到任务如何分布在职业中。 我们开发了一个框架来衡量职业任务组合与其他职业相比的区别性,一个超越任务专业知识或更低的任务内容:增加任务结构。 使用这种新的框架来追踪跨职业的任务,随着时间的推移,我们将任务数量的变化与职业独特性的变化分开,这被定义为职业任务组合的区别性。 使用一组和谐的 196563 项新任务分布式任务,从经济标题字典和 ONET 1977-2018

Machine translation (Meta M2M100); the English original follows.

Abstract

Changes in occupational task content may have different economic implications depending on whether the tasks gained or lost are occupation-specific or already widespread across the economy. Existing measures of occupational task change largely abstract from this distinction, treating occupations as self-contained task bundles rather than accounting for how tasks are distributed across occupations. We develop a framework to measure a distinct dimension of occupational change, one that goes beyond task expertise or task content: task structure. Using this new framework that tracks tasks across occupations and over time, we separate changes in task quantity from changes in occupational uniqueness, defined as the distinctiveness of an occupation's task bundle relative to other occupations. Using a harmonized dataset of 196563 task statements from the Dictionary of Occupational Titles and O*NET spanning 1977-2018, we measure task diffusion, occupational uniqueness, and distinct dimensions of task addition and removal. Occupations that become less unique are also associated with lower wage growth, and the wage associations of task additions and removals depend on how widely the affected tasks are performed elsewhere. Adding highly diffused tasks is associated with lower wage growth, as is removing occupation-specific tasks. At the economy-wide dimension, however, the pattern differs: the addition of new tasks is positively associated with wage growth, whereas the removal of tasks is negatively associated with it. Taken together, these results show that similar changes in the number of tasks performed by an occupation can reflect economically distinct processes. Incorporating the cross-occupational distribution of tasks, therefore, provides a richer account of occupational change and its relationship to the wage structure.

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Topics: Task (project management), Wage, Optimal distinctiveness theory, Measure (data warehouse), Dimension (graph theory), Computer science

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