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Detecting urban markets with satellite imagery : An application to India
Baragwanath, Kathryn Goldblatt, Ran Hanson, Gordon Khandelwal, Amit K.
Baragwanath, Kathryn
Goldblatt, Ran
Hanson, Gordon
Khandelwal, Amit K.
Abstract
We propose a methodology for defining urban markets based on builtup landcover classified from daytime satellite imagery. Compared to markets defined using minimum thresholds for nighttime light intensity, daytime imagery identify an order of magnitude more markets, capture more of India’s urban population, are more realistically jagged in shape, and reveal more variation in the spatial distribution of economic activity. We conclude that daytime satellite data are a promising source for the study of urban forms.
Keywords
satellite, landsat, nightlight data, market access, cities, urbanization
Date
2021
Type
Journal article
Journal
Journal of Urban Economics
Book
Volume
125
Issue
Page Range
1-19
Article Number
Article 103173
ACU Department
Institute for Humanities and Social Sciences
Faculty of Education and Arts
Faculty of Education and Arts
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Open Access Status
License
All rights reserved
File Access
Controlled