2020
DOI: 10.1371/journal.pone.0241907
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Using night time lights to find regional inequality in India and its relationship with economic development

Abstract: Due to unavailability of consistent income data at the sub-state or district level in developing countries, it is difficult to generate consistent and reliable economic inequality estimates at the disaggregated level. To address this issue, this paper employs the association between night time lights and economic activities for India at the sub-state or district-level, and calculates regional income inequality using Gini coefficients. Additionally, we estimate the relationship between night time lights and soc… Show more

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Cited by 28 publications
(20 citation statements)
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“…There are several ways to numerically contrast Figures 1 and 2. A salient approach is to use spatial inequality statistics, as ever more studies use DMSP data to estimate inequality [39,40,48]. The overstated lit area in Figure 1 from DMSP blurring [24] makes it harder to distinguish areas of concentrated activity from other areas.…”
Section: Results Using Earlier Ntl Productsmentioning
confidence: 99%
See 1 more Smart Citation
“…There are several ways to numerically contrast Figures 1 and 2. A salient approach is to use spatial inequality statistics, as ever more studies use DMSP data to estimate inequality [39,40,48]. The overstated lit area in Figure 1 from DMSP blurring [24] makes it harder to distinguish areas of concentrated activity from other areas.…”
Section: Results Using Earlier Ntl Productsmentioning
confidence: 99%
“…A consequence of mean-reverting errors is understated inequality between places as NTL estimates revert toward their mean. Some studies have considered inequality as an aspect of economic performance by using DMSP data as a proxy in places that lack timely or fine resolution sub-national GDP data [39,40]. However, validation studies show that DMSP data understate spatial inequality, especially in urban and high density areas, with this pattern holding across developed and developing regions of the world [25,33].…”
Section: Related Literature On Ntl Validation Studiesmentioning
confidence: 99%
“…A consequence of mean-reverting errors is understated inequality between places as NTL estimates revert towards their mean. Some studies consider inequality as an aspect of economic performance, using DMSP data as a proxy in places that lack timely or fine resolution sub-national GDP data [39,40]. Yet validation studies show that DMSP data understate spatial inequality, especially in urban and high density areas, with this pattern holding across developed and developing regions of the world [25,33].…”
Section: Related Literature On Ntl Validation Studiesmentioning
confidence: 99%
“…The nighttime lights of the world have emerged as the most reliable and globally consistent dataset for various scientific studies and applications. Some examples of the use of nighttime light images in scientific studies include mapping urban areas [1,2], human ecological footprint [3], measuring socio-economic indices [4][5][6][7][8], population [9], human health and biological impacts [10], effects of a pandemic such as COVID-19 [11,12], studying impacts of war and natural disasters [13,14], boat detection and illegal fishing activities [15,16], and detection of fires, flares, and other infrared (IR) emitters [17].…”
Section: Introductionmentioning
confidence: 99%