# Geography, productivity, and trade: Does selection explain why some locations are more productive than others?

> Research article (Journal of Regional Science, 2018) · cited 38× · AI/ML

**Wikidata**: [openalex:W3122368536](https://www.wikidata.org/wiki/openalex:W3122368536)  
**Source**: https://4ort.xyz/entity/geography-productivity-and-trade-does-selection-explain-why-some-locations-are-more-productive-than-others