JDC Literature Review

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Nowcasting Daily Population Displacement in Ukraine through Social Media Advertising Data

The Russian invasion of Ukraine in February 2022 triggered the rapid displacement of millions of refugees into neighboring countries and the displacement of millions of Ukrainians within the country. In conflict and crisis situations such as this one, representative survey data quickly become outdated, primary data collection is challenging if not impossible, and the dynamic nature of population changes requires high-frequency measurement not suited to traditional data gathering techniques.