为提高电信绩效铺平道路:来自中东和北非国家电信部门的证据

IF 0.9 4区 经济学 Q3 ECONOMICS
Riham A. Ezzat
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引用次数: 5

摘要

自20世纪80年代以来,由于国际机构的压力,发展中国家开始进行电信改革。然而,中东和北非(MENA)国家在采取这些改革方面落后。即使在1995年开始在中东和北非地区推行电信改革之后,并非所有国家在各种绩效指标方面都有所改善。因此,本文以1995-2010年17个中东和北非国家为样本,实证评估了监管、私有化和自由化改革及其同时存在对电信行业绩效的影响。我们假设不同的改革受到体制、政治和经济决定因素的影响,这些决定因素涉及民主水平、法律渊源、每个国家的自然资源租金和摆脱殖民统治的独立年份。我们使用IV-2SLS(工具变量两阶段最小二乘)估计来分析不同改革对电信绩效的影响,包括固定和移动部门的接入、生产力和可负担性。我们发现,主要运营商私有化和固定电话市场自由化在固定接入和可负担性方面对部门绩效产生负面影响。此外,我们发现独立监管机构和私有化在职者的同时存在有助于消除私有化对部门绩效造成的不利影响。然而,在监管竞争和私有化固定竞争方面同时存在的其他改革无助于改善部门绩效。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Paving the Way for Better Telecom Performance: Evidence from the Telecommunication Sector in MENA Countries
Abstract Since the 1980s, developing countries started to adopt telecom reforms due to pressures from international institutions. However, Middle East and North African (MENA) countries lagged in adopting such reforms. Even after introducing telecom reforms in MENA region beginning in 1995, not all countries became better off in terms of various performance indicators. Therefore, this paper empirically assesses the effects of regulation, privatization and liberalization reforms, as well as their simultaneous presences, on the sector performance in the telecommunication sector using a sample of 17 MENA countries for the period 1995–2010. We assume that different reforms are affected by institutional, political and economic determinants with respect to the level of democracy, the legal origin, the natural resources rents per country and the year of independence from colonization. We use IV-2SLS (Instrumental Variable Two-Stage Least Squares) estimation to analyze the effect of different reforms on telecom performance in terms of access, productivity and affordability in the fixed and the mobile sector. We find that privatization of the main incumbent operator and fixed-line market liberalization affect the sector performance negatively in terms of fixed access and affordability. Moreover, we find that the simultaneous presence of an independent regulator and a privatized incumbent helps to eliminate drawbacks on the sector performance resulting from privatization. However, the simultaneous presences of the other reforms in terms of regulation-competition and privatization-fixed competition do not help to improve the sector performance.
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来源期刊
CiteScore
0.90
自引率
0.00%
发文量
1
期刊介绍: The Review of Network Economics seeks to help policy makers, academics, and practitioners keep informed of new research and policy debate in network economics and related subjects that are relevant to the study of network industries. By publishing high quality research on topical issues relevant to network industries, it is hoped readers will be able to gain a deeper understanding of the economic issues involved and that this will improve the quality of decision making by private and public organisations, and debate among researchers. The articles can cover specific network industries, or may deal with general issues that have relevance to a number of different network industries, including topics in the economics of networks, regulation, competition law, or industrial organisation. Papers that provide insights into policy debates are especially welcome, as are up-to-date surveys, book reviews, and comments.
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