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应对青年失业:来自乌干达劳动力市场实验的证据

Tackling Youth Unemployment: Evidence From a Labor Market Experiment in Uganda
Econometrica · 2020 · Livia Alfonsi、Oriana Bandiera、Vittorio Bassi、Robin Burgess、Imran Rasul、Munshi Sulaiman

中文摘要

我们设计了一项劳动力市场实验,以比较应对青年失业(低收入国家的一个关键问题)的需求侧与供给侧政策。该实验对1700名工人和1500家企业进行了为期四年的追踪,在青年失业率超过60%的同一环境中,比较向工人提供为期六个月的职业培训(VT)或企业提供的培训(FT)所产生的效果。相对于对照组工人,我们发现,在干预后三年的平均效应中,FT和VT工人:(i)在特定行业技能方面获得了大幅且相近的提升;(ii)就业率显著提高;(iii)在劳动力市场结果指数上经历了显著改善。然而,这些平均值掩盖了动态上的差异:FT的收益迅速显现但随时间推移而消退,VT的收益则出现缓慢但更为持久,使得VT工人的就业和收入轨迹最终上升至FT工人之上。对工人搜寻行为的职业阶梯模型进行估计揭示了其中的关键原因:VT工人在失业时获得工作机会的比率显著更高,从而加快了他们重返工作岗位的进程。这很可能源于VT工人的技能经过认证,因而能够向潜在雇主证明。因此,在进入劳动力市场之前通过职业培训提升青年的技能以应对青年失业,似乎比通过工资补贴激励企业雇用和培训初入劳动力市场的青年更为有效。

Abstract

We design a labor market experiment to compare demand‐ and supply‐side policies to tackle youth unemployment, a key issue in low‐income countries. The experiment tracks 1700 workers and 1500 firms over four years to compare the effect of offering workers either vocational training (VT) or firm‐provided training (FT) for six months in a common setting where youth unemployment is above 60%. Relative to control workers, we find that, averaged over three post‐intervention years, FT and VT workers: (i) enjoy large and similar upticks in sector‐specific skills, (ii) significantly improve their employment rates, and (iii) experience marked improvements in an index of labor market outcomes. These averages, however, mask differences in dynamics: FT gains materialize quickly but fade over time, while VT gains emerge slowly but are long‐lasting, leading VT worker employment and earning profiles to rise above those of FT workers. Estimating a job ladder model of worker search reveals the key reason for this: VT workers receive significantly higher rates of job offers when unemployed, thus hastening their movement back into work. This likely stems from the fact that the skills of VT workers are certified and therefore can be demonstrated to potential employers. Tackling youth unemployment by skilling youth using vocational training pre‐labor market entry therefore appears to be more effective than incentivizing firms through wage subsidies to hire and train young labor market entrants.
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