Rethinking Climate Econometrics: Data Cleaning, Flexible Trend Controls, and Predictive Validation
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arXiv
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| Main Authors: | , , |
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| Format: | Preprint |
| Published: |
2025
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| _version_ | 1866915301544689664 |
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| author | Schötz, Christof Hassel, Jan Otto, Christian |
| author_facet | Schötz, Christof Hassel, Jan Otto, Christian |
| contents | We assess empirical models in climate econometrics using modern statistical learning techniques. Existing approaches are prone to outliers, ignore sample dependencies, and lack principled model selection. To address these issues, we implement robust preprocessing, nonparametric time-trend controls, and out-of-sample validation across 700+ climate variables. Our analysis reveals that widely used models and predictors-such as mean temperature-have little predictive power. A previously overlooked humidity-related variable emerges as the most consistent predictor, though even its performance remains limited. These findings challenge the empirical foundations of climate econometrics and point toward a more robust, data-driven path forward. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2505_18033 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Rethinking Climate Econometrics: Data Cleaning, Flexible Trend Controls, and Predictive Validation Schötz, Christof Hassel, Jan Otto, Christian Applications Methodology We assess empirical models in climate econometrics using modern statistical learning techniques. Existing approaches are prone to outliers, ignore sample dependencies, and lack principled model selection. To address these issues, we implement robust preprocessing, nonparametric time-trend controls, and out-of-sample validation across 700+ climate variables. Our analysis reveals that widely used models and predictors-such as mean temperature-have little predictive power. A previously overlooked humidity-related variable emerges as the most consistent predictor, though even its performance remains limited. These findings challenge the empirical foundations of climate econometrics and point toward a more robust, data-driven path forward. |
| title | Rethinking Climate Econometrics: Data Cleaning, Flexible Trend Controls, and Predictive Validation |
| topic | Applications Methodology |
| url | https://arxiv.org/abs/2505.18033 |