We analyze the universe of point-of-sale (POS) transactions before and during the COVID-19 lockdown in Mexico. We find three key results. First, consumption in Mexico fell by 23 percent in the April-June quarter of 2020 and by 16 percent from April to September of 2020 as compared to expected levels. Second, reductions in consumption were highly heterogeneous across sectors and states, with states and activities related to tourism the most affected. Third, using variation over time and states, we estimate the elasticity of POS expenditures with respect to geographic mobility (measured using cellphone location data) to be slightly less than 1. This estimate suggests that spending in developing countries may be more responsive to mobility than in developed countries, and that mobility indicators could be used as a real-time proxy for consumption in some economies.
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http://dx.doi.org/10.1007/s11150-020-09539-2 | DOI Listing |
BMC Health Serv Res
January 2025
William F. Connell School of Nursing, Boston College, 140 Commonwealth Ave, Chestnut Hill, MA, 02467, USA.
Background: The continued healthcare crisis in the United States (US) is worrisome, especially as workforce shortages, particularly for nurses, are highlighted, often in some of the highest need areas. As the need for healthcare services grows, especially for services that nurses can deliver, the inability to meet those needs exacerbates existing disparities in access to care and can jeopardize the quality and timeliness of healthcare delivery in underserved communities. Prior investigations have used varying definitions to describe underserved, under-resourced, rural, or health professional shortage areas to examine the relationship between these areas and workforce shortages.
View Article and Find Full Text PDFData Brief
February 2025
Department of Earth and Geoenvironmental Sciences, University of Bari, 70125 Bari, Italy.
An open-source geodatabase and its associate WebGIS platform (CONNECTOSED) were developed to collect and utilize data for the Sediment Flow Connectivity Index (SfCI) for the Apulia region of southern Italy. Maps depicting sediment mobility and connectivity across the hydrographic basins of the Apulia region were generated and stored in the geodatabase. This geodatabase is organized into folders containing data in TIFF, shapefile, Jpeg and Pdf formats, including input variables (digital elevation model, land cover map, rainfall map, and soil units dataset for each hydrographic basin), classification graphs (ranking of variable values), dimensionless index maps (slope, ruggedness, rainfall, land cover, and soil stability) and key products (maps of sediment mobility, SfCI, and applied SfCI).
View Article and Find Full Text PDFTop Stroke Rehabil
January 2025
Center for Rehabilitation Outcomes Research, Shirley Ryan AbilityLab, Chicago, IL, USA.
Background: Self-management interventions empower individuals to manage their chronic conditions and daily life after stroke. However, traditional in-person self-management interventions often face transportation and geographical barriers. Digital interventions may offer a solution to address this gap.
View Article and Find Full Text PDFJ Hazard Mater
January 2025
Research Institute for Environmental Innovation (Binhai, Tianjin), Tianjin 300450, PR China. Electronic address:
The speciation and mobility of arsenic (As) in waters are largely influenced by the colloids; however, the impacts of colloids with different molecular weights (MWs) in water fractions remain largely unknown. Herein, the surface water was fractionated into three colloidal fractions and truly dissolved fraction via cross-flow ultrafiltration. Total As (As(T)) presented mainly as As(V) and existed primarily in the truly dissolved fraction.
View Article and Find Full Text PDFCommun Med (Lond)
January 2025
Department of Demography, University of California, Berkeley, California, USA.
Background: Digital data sources such as mobile phone call detail records (CDRs) are increasingly being used to estimate population mobility fluxes and to predict the spatiotemporal dynamics of infectious disease outbreaks. Differences in mobile phone operators' geographic coverage, however, may result in biased mobility estimates.
Methods: We leverage a unique dataset consisting of CDRs from three mobile phone operators in Bangladesh and digital trace data from Meta's Data for Good program to compare mobility patterns across these sources.
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