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Author Galimberti, J. K.; Pichler, S.; Pleninger, R.
Title Measuring Inequality using Geospatial Data Type Conference Article
Year 2020 Publication AUT Economics Working Paper Series Abbreviated Journal
Volume Issue Pages
Keywords Remote Sensing
Abstract The main challenge in studying economic inequality is limited data availability, which is particularly problematic in developing countries. We construct a measure of economic inequality for 234 countries and territories from 1992 to 2013 using satellite data on nighttime light emissions as well as gridded population data. Key methodological innovations include the use of varying levels of data aggregation, and a parsimonious calibration of the lights-prosperity relationship to match traditional inequality measures based on income data. Indeed, we obtain a measure that is significantly correlated with cross-country variation in income inequality. Subsequently, we provide three applications of the data in the fields of health economics and international finance. Our results show that light- and income-based inequality measures lead to similar results in terms of cross-country correlations, but not for the dynamics of inequality measure can capture more enduring features of economic activity that are not directly captured by income.
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Call Number UP @ altintas1 @ Serial (down) 3232
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Author Zlobina, O.V.; Ivanov, A.N.; Karetnikova, A.Yu.; Terekhina, E.S.; Shlyapnikov, N.V.; Trufanova, Yu.Yu.; Bugaeva, I.O.
Title Reversibility of morphological changes in the spleen under the influence of intensive light deprivation Type Journal Article
Year 2020 Publication Saratov Journal of Medical Scientific Research Abbreviated Journal
Volume 16 Issue 2 Pages 526-529
Keywords Animals
Abstract The goal to assess the morphological and functional state of the spleen of white male rats under the influence of light desynchronosis and to analyze the degree of reversibility of these changes. Material and methods. The experiment was carried out in two stages on 60 white male rats, divided into five equal groups: control and four experimental. In the first series of the experiment, the first and second experimental groups were illuminated around the clock for 10 and 21 days. At the second stage, animals of the third and fourth groups were exposed to illumination around the clock for 10 and 21 days, and then kept in natural light for 21 days. The following morphological and morphometric parameters were evaluated: the area of the lymphoid follicle, T- and B-dependent zones of white pulp, the number of reproduction centers and immunoblasts in the T- and B-zones in 10 fields of view. Results. On the 10th day of the experiment, there was an increase in the area of the lymphoid follicle, T- and B-dependent zones, the number of immunoblasts when compared with the control. In animals of the third group, an increase in these indicators was observed. On the 21st day, a decrease in all measured values was noted. In animals of the fourth group, the indicators increased relative to the second experimental one and approached the control values. Conclusion. The detected morphological and functional changes in the spleen are associated with the negative effects of prolonged light deprivation on the organs of the immune system. However, indicators are subject to change.
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Call Number UP @ altintas1 @ Serial (down) 3231
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Author Patnam, M.; Yao, W.
Title The Real Effects of Mobile Money: Evidence from a Large-Scale Fintech Expansion Type Journal Article
Year 2020 Publication IMF Working Paper Abbreviated Journal
Volume 20 Issue 138 Pages
Keywords Remote Sensing
Abstract Mobile money services have rapidly expanded across emerging and developing economies and enabled new ways through which households and firms can conduct payments, save and send remittances. We explore how mobile money use can impact economic outcomes in India using granular data on transactions from Paytm, one of the largest mobile money service provider in India with over 400 million users. We exploit the period around the demonetization policy, which prompted a surge in mobile money adoption, and analyze how mobile money affects traditional risk-sharing arrangements. Our main finding is that mobile money use increases the resilience to shocks by dampening the impact of rainfall shocks on nightlights-based economic activity and household consumption. We complement these findings by conducting a firm survey around a phased targeting intervention which incentivized firms to adopt the mobile payment technology. Our results suggest that firms adopting mobile payments improved their sales after six-months of use, compared to other firms. We also elicit firms’ subjective expectations on future sales and find mobile payment adoption to be associated with lower subjective uncertainty and greater sales optimism.
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ISSN 1018-5941 ISBN Medium
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Notes Approved no
Call Number UP @ altintas1 @ Serial (down) 3230
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Author Ferraro, D. M.; LeGates, T.A.; Francis, C. D.
Title Combined effect of anthropogenic noise and artificial night lighting negatively affect Western Bluebird chick development Type Journal Article
Year 2020 Publication The Condor: Ornithological Applications Abbreviated Journal
Volume 122 Issue 2020 Pages 1-12
Keywords Animals
Abstract Sensory pollutants such as anthropogenic noise and night lighting now expose much of the world to evolutionarily novel sound and night lighting conditions. An emerging body of literature has reported a variety of deleterious effects caused by these stimuli, spanning behavioral, physiological, population, and community-level responses. However, the com- bined influence of noise and light has received almost no attention despite the co-occurrence of these stimuli in many landscapes. Here we evaluated the singular and combined effects of these stimuli on Western Bluebird (Sialia mexicana) reproductive success using a field-based manipulation. Nests exposed to noise and light together experienced less pre- dation than control and light-exposed nests, and noise-exposed nests experienced less predation than control nests, yet overall nest success was only higher in noise-exposed nests compared to light-exposed nests. Although exposure to light decreased nestling body condition and evidence was mixed for the singular effects of noise or light on nestling size, those nestlings exposed to noise and light together were smaller across several metrics than nestlings in control nests. Our results support previous research on the singular effects of either stimuli, including potential benefits, such as reduced nest predation with noise exposure. However, our results also suggest that noise and light together can neg- atively affect some aspects of reproduction more strongly than either sensory pollutant alone. This finding is especially important given that these stimuli tend to covary and are projected to increase dramatically in the next several decades.
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Call Number UP @ altintas1 @ Serial (down) 3229
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Author Stathakis, D.; Liakos, L.
Title Median Shift Lunar Correction for VIIRS Type Journal Article
Year 2020 Publication IEEE Geoscience and Remote Sensing Letters Abbreviated Journal
Volume Issue Pages in press
Keywords Moonlight; Remote Sensing
Abstract Visible Infrared Imaging Radiometer Suite (VIIRS) 24-h data are substantially affected by lunar illumination. A new method is proposed to correct this distortion and be able to form a consistent time series. The method has the advantage of being relatively simple in its deployment while at the same time effective. The results show that the proposed method removes periodical illumination noise due to the lunar circle while preserving meaningful information, in the test sites applied.
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Series Editor Series Title Abbreviated Series Title
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ISSN 1558-0571 ISBN Medium
Area Expedition Conference
Notes Approved no
Call Number UP @ altintas1 @ Serial (down) 3228
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