Top lights: Bright cities and their contribution to economic development
نویسندگان
چکیده
Tracking the development of cities in emerging economies is difficult with conventional data. This paper shows that nighttime lights can be used as a reliable proxy for economic activity at city level, provided they are first corrected top-coding. The commonly-used satellite images light intensity fail to capture true brightness larger cities. We present stylized model urban luminosity and empirical evidence which both suggest these ‘top lights’ characterized by Pareto distribution or similarly heavy-tailed distributions. then propose correction procedure recovers full lights. Our results show brightest account nearly third global output. Applying this approach Sub-Saharan Africa, we find primate outgrowing secondary Contrary top-coded data, our data differences intensive margin drive differential relative growth rates across types.
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ژورنال
عنوان ژورنال: Journal of Development Economics
سال: 2022
ISSN: ['1872-6089', '0304-3878']
DOI: https://doi.org/10.1016/j.jdeveco.2022.102880