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Articles by Erwin Knippenberg
From pilots to policy: scaling mobile phone data for statistics in West Africa
The excitement around MPD is justified, but the workshop also brought into sharp focus the required investments that stand between a promising pilot and a sustainable national data asset. First, an institutional and regulatory framework must be in place. MPD does not flow automatically from telecom operators to statistical offices. It requires trust, legal authority, and governance. Who hosts the data and maintains the necessary infrastructure? Who determines the purposes of data processing?
Lutte contre l'insécurité alimentaire au Moyen-Orient et en Afrique du Nord : des innovations dans les données de suivi
Les crises alimentaires et les situations d’urgence font l’objet d’un suivi par le cadre intégré de classification de la sécurité alimentaire (IPC), dont la couverture est toutefois limitée dans la région. Les perturbations récentes de systèmes de surveillance essentiels, tels que FEWSNET, ont encore érodé les capacités d’alerte précoce.
Addressing food insecurity in the Middle East and North Africa: innovations in data monitoring
Food crises and emergencies are tracked by the Integrated Phase Classification (IPC), which has limited coverage in the region. Recent disruptions to vital monitoring systems, such as FEWSNET, have further eroded early warning capabilities. These data limitations create serious barriers to effective intervention, leaving policymakers without the insights needed for timely and targeted responses.
Quantifying the poverty impact of the 2022 floods in Pakistan
Exacerbated by climate change, the 2022 Monsoon Floods in Pakistan severely affected the lives and livelihoods of millions of people, especially in the Sindh and Balochistan provinces. The floods particularly impacted the poorest and most vulnerable, who are disproportionately more likely to live in flood-affected areas. Pakistan’s Post Disaster Needs Assessment estimates suggest that the floods may have led as many as 9.1 million people--or four percentage points--into poverty.
How to build a secure pipeline for mobile phone data
Data gaps and innovation In times of emergency, traditional data sources such as census and survey data are quickly outdated. Call detail record (CDR) data are generated with every call and SMS, including timestamps and location information. In the context of COVID-19 and other crises, the analysis of CDR data can inform policy.
New World Bank study: A snapshot of living conditions in Afghanistan
Abdullah* used to be a police officer, but now farms his own land in Paktia province in the east of Afghanistan. The economic crisis has hit him hard, its effects exacerbated by drought. His income has fallen substantially and is less reliable than his former paycheck. He struggles to feed his family and they often have to skip meals. Abdullah exemplifies the trajectory Afghans have experienced since August 2021.
The hidden potential of mobile phone data: Insights on COVID-19 in The Gambia
Big data in the time of COVID-19 The COVID-19 pandemic has highlighted the value of high-frequency, localized data in inferring the economic impact of shocks to inform decision making. This includes the use of publicly available nightlights, air quality, and aggregated location data. Since tracking mobility is crucial during a pandemic, researchers have worked with governments and mobile network operators to leverage Call Detail Record (CDR) data, aggregated and anonymized cell-phone data.
Growing climatic sensitivity of U.S. agriculture linked to technological change and regional specialization
Supplementary material for this article is available at http://advances.sciencemag.org/cgi/content/full/4/12/eaat4343/DC1 Fig. S1. Map of cropland weights. Fig. S2. Map of USDA Climate Hub regions. Fig. S3. Average reduction in MSE of out-of-sample predictions in TFP relative to a model without weather variables (1960–2004). Fig. S4. TFP predictability under varying flexibilities for temperature and precipitation variables. Fig. S5. Predicted productivity changes from summer precipitation change. Fig. S6.
Growing climatic sensitivity of U.S. agriculture linked to technological change and regional specialization
Abstract A pressing question for climate change adaptation is whether ongoing transformations of the agricultural sector affect its ability to cope with climatic variations. We examine this question in the United States, where major increases in productivity have fueled most of agricultural production growth over the past half-century.
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