数字高速公路和公司营业额

IF 1.2 4区 管理学 Q3 ECONOMICS Journal of Economics & Management Strategy Pub Date : 2023-04-24 DOI:10.1111/jems.12522
Carlo Cambini, Lorien Sabatino
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引用次数: 0

摘要

我们研究了超宽带(UBB)互联网连接对企业进入和退出动态的影响。这些连接基于将电信运营商连接到最终用户的光纤电缆,与传统铜线网络相比,具有更高的性能。我们利用一个独特的综合数据集收集2012-2019年意大利宽带普及和公司营业额的市级信息。我们的实证策略利用了从2015年开始交错推出的UBB。我们的识别策略基于一种工具变量方法,该方法利用了电信基础设施物理和地理特性的看似外生的变化。结果表明,UBB增加了企业退出,尤其是对小企业而言。相反,只有在数字密集型行业和最发达的地理区域,公司进入率才会上升。我们的发现对围绕高速数字基础设施大规模投资的持续辩论具有重要意义,因为它们反对商业活动同样受益于上一代宽带技术的传统观点。
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Digital highways and firm turnover

We study the impact of ultra-broadband (UBB) internet connections on firm entry and exit dynamics. These connections are based on optical fiber cables that link telecommunication operators to final users, allowing a significantly higher performance compared with traditional copper-line networks. We leverage on a unique comprehensive dataset collecting municipality-level information on broadband diffusion and firm turnover in Italy for the period of 2012–2019. Our empirical strategy exploits the staggered roll-out of UBB, starting from 2015. Our identification strategy is based on an instrumental variable approach that exploits plausibly exogenous variation in the physical and geographical peculiarities of the telecommunication infrastructure. Results suggest that UBB increases firm exit, particularly for small firms. On the contrary, firm entry rises only in digital intensive sectors and in the most developed geographical areas. Our findings have important implications for the ongoing debate around the massive investments in high-speed digital infrastructures, as they argue against the conventional idea that business activities equally benefit from last-generation broadband technologies.

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来源期刊
CiteScore
3.20
自引率
5.30%
发文量
43
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