Identifying common patterns via country clustering based on key macroeconomic indicators after banking crises

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Banking crises have posed recurring global challenges over the past decades. The purpose of the article is to identify common patterns among countries after banking crises by clustering them based on the trajectories of key macroeconomic indicators and underlying dynamics during critical post-crisis periods. The study analyzes 50 selected countries based on historical banking crises, data availability, and balanced regional representation. Six crisis peaks are identified: 1990, 1998, 2008, 2015, 2020, and 2023. Recovery is assessed through 12 macroeconomic indicators – GDP growth, investment, government debt, unemployment, poverty, and banking sector health – sourced from World Bank data. Z-score standardization was applied in STATA 19.5. Using Sturges’ rule and Ward’s method in STATGRAPHICS 19, the clustering revealed country groups sharing similar crisis and post-crisis recovery patterns. The analysis of these 7 formed clusters and countries belonging to each allows us to determine common patterns explained through explicit and implicit common features. Explicit characteristics cover geography, development level, crisis timing, and implicit factors are financial market exposure, banking structures, commodity dependence, policy frameworks, etc. Key findings include persistent groupings (e.g., Albania remaining in the same cluster), countries in prolonged crisis (e.g., Ukraine, Venezuela), stable pairings (e.g., Argentina-Uruguay; Azerbaijan-Iraq-Qatar), and cluster shifts (e.g., Sweden, USA, Malaysia transitioning across crises). Positive recovery cases such as Iceland, Sweden, the USA, Norway, Malaysia, and Argentina demonstrate effective resolution strategies. These insights may inform future crisis response frameworks by identifying successful policy approaches and vulnerabilities tied to institutional and structural dynamics.

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    • Figure 1. Graphic visualization of the arrangement of clusters produced by Ward’s clustering
    • Figure 2. Graphic visualization of the distance at each step of the clustering process
    • Table 1. Agglomeration schedule according to Ward’s clustering method (Distance Metric: Euclidean) for 50 sample countries in 1990
    • Table 2. Cluster summary for 50 sample’s countries in 1990
    • Table 3. Membership table for 50 sample countries in 1990 based on Ward’s clustering
    • Table 4. General cluster summary for 50 sample countries for all studied time peaks connected with six banking crises (based on 12 macro indicators analysis)
    • Table 5. Results of clustering 50 sample countries in 1990–2023
    • Table A1. Standardized input data in 1990
    • Table A2. Standardized input data in 1998
    • Table A3. Standardized input data in 2008
    • Table A4. Standardized input data in 2015
    • Table A5. Standardized input data in 2020
    • Table A6. Standardized input data in 2023
    • Conceptualization
      Nigar Ashurbayli-Huseynova
    • Formal Analysis
      Nigar Ashurbayli-Huseynova, Nigar Guliyeva
    • Funding acquisition
      Nigar Ashurbayli-Huseynova
    • Methodology
      Nigar Ashurbayli-Huseynova
    • Resources
      Nigar Ashurbayli-Huseynova
    • Supervision
      Nigar Ashurbayli-Huseynova
    • Visualization
      Nigar Ashurbayli-Huseynova
    • Writing – original draft
      Nigar Ashurbayli-Huseynova, Nigar Guliyeva
    • Writing – review & editing
      Nigar Ashurbayli-Huseynova, Nigar Guliyeva
    • Data curation
      Nigar Guliyeva
    • Investigation
      Nigar Guliyeva
    • Project administration
      Nigar Guliyeva
    • Software
      Nigar Guliyeva
    • Validation
      Nigar Guliyeva