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此篇文章发表在2017年《Labour Economics》上。作者使用意大利公司数据来分析雇佣保障（employment protection）对公司员工行为表现的影响。 在此片文章中，作者采用断点回归方法（RDD）来分析数据，公司大小门槛（threshold）选定为15名雇员。 作者发现雇佣保障提高了临时工作机会，但动摇了了公司数量在15人以上的员工的工作稳定性。 此外作者还发现，由于大量临时工作机会的出现，公司员工的生产能力出现了下滑。
要点:
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Employment protection increases turnover among workers in Italy, thereby reducing rather than increasing worker security on average.
•Italian firms facing more stringent employment-protection provisions make a greater use of workers on temporary contracts.
•In 2008/2009, employment protection accounted for about 12% of the overall incidence of temporary work in Italy.
•By increasing the reliance on temporary workers, employment protection also tends to depress labour productivity.
简介:
This paper analyses the impact of employment protection (EP) on the composition of the workforce and worker turnover using a unique firm-level dataset for Italy. The impact of employment protection is analyzed by means of a regression discontinuity design (RDD) that exploits the variation in EP provisions in Italy across firms below and above a size threshold. We present three main findings. First, EP increases worker turnover, defined as the sum of hires and separations, thereby reducing rather than increasing worker security on average. Second, this can be entirely explained by the fact that firms facing more stringent EP make a greater use of workers on temporary contracts. Our preferred estimates suggest that the discontinuity in EP increases the incidence of temporary work by 2–2.5 percentage points around the threshold. Moreover, the effect of employment protection persists well beyond the threshold and may account for about 12% of the overall incidence of temporary work. Third, EP tends to reduce labour productivity. This is partly due to the impact of EP on worker turnover and the incidence of temporary work.
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