How Much Does Physical Infrastructure Contribute to Economic Growth ? An Empirical Analysis
Govinda Timilsina (),
David Stern and
Debasish Kumar Das
No 9888, Policy Research Working Paper Series from The World Bank
Abstract:
Existing literature on the relationship between infrastructure and economic growth is inconclusive. This study evaluates the contributions to economic growth of three main categories of infrastructure—transport, electricity, and telecommunications—using data from 87 countries over 1992–2017. Compared with existing studies, this study uses more recent data, includes new types of infrastructure such as mobile phones, and provides separate estimates for developing and developed countries. The pooled mean group estimator, which tests for the weak exogeneity of the infrastructure variables, is employed. The key finding of the study is that an increase in infrastructure, especially electricity generation capacity and telecommunications, has significant positive effects on gross domestic product. Infrastructure has a larger effect in more recent years (1992–2017) than in earlier years (1970–1991), and the effects of infrastructure are higher in developing economies than in industrialized economies.
Keywords: Economic Growth; Industrial Economics; Economic Theory & Research; Energy Policies & Economics; Telecommunications Infrastructure; Railways Transport (search for similar items in EconPapers)
Date: 2021-12-17
New Economics Papers: this item is included in nep-ene
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Persistent link: https://EconPapers.repec.org/RePEc:wbk:wbrwps:9888
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