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Agglomeration costs limit sustainable innovation in cities in developing economies

Estrin, Saul ORCID: 0000-0002-3447-8593, Hu, Yuan, Shapiro, Daniel and Zhang, Peng (2024) Agglomeration costs limit sustainable innovation in cities in developing economies. PLOS ONE, 19 (11). ISSN 1932-6203

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Identification Number: 10.1371/journal.pone.0308742

Abstract

Theory and evidence from developed economies suggests that innovation activities benefit from agglomeration economies associated with urban economic density. However, despite the fact that eighteen of the world’s top twenty cities are in developing countries, we do not know whether agglomeration affects innovation in the same way in developing countries. We propose that, while there are still agglomeration benefits, the development path followed by cities in developing countries also creates significant agglomeration costs and these act to limit innovation. We build a unique database to measure consistently both urban economic density and innovation across a large number of developing countries. Based on geospatial information, we combine data on nightlights at the city level to proxy urban density with information on innovation activity at the firm level. We find that in developing countries, as urban economic density increases, innovation first increases and then begins to decrease beyond a certain point, with the decline being most prominent in the largest cities. That is, the largest cities in developing countries are not able to act as sustainable sources of innovation. Cities in developing countries therefore display different patterns of agglomeration from those documented in the literature focused on developed countries. Our analysis explores the relationship between UN Sustainable Development Goal (SDG) 9 which fosters innovation, and SDG 11 which promotes sustainable and resilient cities. Our results suggest the importance of addressing urban agglomeration costs as a means to facilitate innovative activity.

Item Type: Article
Additional Information: © 2024 The Author(s)
Divisions: Management
Subjects: G Geography. Anthropology. Recreation > G Geography (General)
G Geography. Anthropology. Recreation > GE Environmental Sciences
H Social Sciences > HB Economic Theory
JEL classification: O - Economic Development, Technological Change, and Growth > O1 - Economic Development > O18 - Regional, Urban, and Rural Analyses
R - Urban, Rural, and Regional Economics > R1 - General Regional Economics > R11 - Regional Economic Activity: Growth, Development, and Changes
R - Urban, Rural, and Regional Economics > R1 - General Regional Economics > R12 - Size and Spatial Distributions of Regional Economic Activity; Interregional Trade
Q - Agricultural and Natural Resource Economics; Environmental and Ecological Economics > Q5 - Environmental Economics > Q56 - Environment and Development; Environment and Trade; Sustainability; Environmental Accounting; Environmental Equity
Date Deposited: 08 Nov 2024 16:03
Last Modified: 12 Dec 2024 04:33
URI: http://eprints.lse.ac.uk/id/eprint/125983

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