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Economic activity during extreme events

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  • John W. Galbraith

Abstract

Although extreme weather events, natural disasters or infrastructure failures potentially have important economic effects, quantifying these effects over small areas and fine time intervals has been difficult because of the fairly coarse scales available in most data sources. This paper surveys the use of relatively new and finely grained data available from some commercial sources, particularly transaction data and smartphone location data, to improve our understanding of economic effects of events. I review the limitations and challenges involved in the use of these data as well as the potential benefits that they offer. L'activité économique lors d'événements extrêmes. Les phénomènes météorologiques extrêmes, les catastrophes naturelles ou les défaillances d'infrastructures peuvent avoir d'importantes répercussions économiques, mais il demeure difficile d'en mesurer les effets à petite échelle spatiale ou temporelle, faute de données suffisamment détaillées. Le présent article examine l'utilisation de données relativement récentes et très détaillées provenant de certaines sources commerciales – notamment les données de transactions et les données de localisation issues de téléphones intelligents – afin d'améliorer notre compréhension des effets économiques de ces événements. On examine les limites et les défis liés à l'utilisation de ces données, ainsi que les avantages potentiels qu'elles présentent.

Suggested Citation

  • John W. Galbraith, 2025. "Economic activity during extreme events," Canadian Journal of Economics/Revue canadienne d'économique, John Wiley & Sons, vol. 58(4), pages 1214-1235, November.
  • Handle: RePEc:wly:canjec:v:58:y:2025:i:4:p:1214-1235
    DOI: 10.1111/caje.70041
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