中国农民工“城市梦”的起与落 | QJE 2024年8月刊目录及摘要

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0 1 .New Frontiers: The Origins and Content of New Work, 1940–2018 * 作者 David Autor Caroline Chin Anna Salomons Bryan Seegmiller 摘要 We answer three core questions about the hypothesized role of newly emerging job categories (“new work”) in counterbalancing the erosive effect of task-displacing automation on labor demand: what is the substantive content of new work, where does it come from, and what effect does it have on labor demand? We construct a novel database spanning eight decades of new job titles linked to U.S. Census microdata and to patent-based measures of occupations’ exposure to labor-augmenting and labor-automating innovations. The majority of current employment is in new job specialties introduced since 1940, but the locus of new-work creation has shifted from middle-paid production and clerical occupations over 1940–1980 to high-paid professional occupations and secondarily to low-paid services since 1980. New work emerges in response to technological ………………………………