{"type": "article", "title": "The Granularity Paradox: How Temporal Disaggregation Inflates In-Sample Fit and Compounds Out-of-Sample Error", "publisher": "Web Pulse", "url": "https://wpnews.pro/news/the-granularity-paradox-how-temporal-disaggregation-inflates-in-sample-fit-and", "original_source": "https://arxiv.org/abs/2607.05450", "published": "2026-07-08T04:00:00+00:00", "accessed": "2026-07-08", "id": "the-granularity-paradox-how-temporal-disaggregation-inflates-in-sample-fit-and"}