# A two-step machine learning approach to predict S&P 500 bubbles

> Research article (Journal of Applied Statistics, 2020) · cited 17× · AI/ML

**Wikidata**: [openalex:W3088142050](https://www.wikidata.org/wiki/openalex:W3088142050)  
**Source**: https://4ort.xyz/entity/a-two-step-machine-learning-approach-to-predict-s-amp-p-500-bubbles