# More or less energy with age? A motivational life-span perspective on subjective energy, exhaustion, and opportunity costs.

> Research article (Psychology and Aging, 2020) · cited 31× · AI/ML

**Wikidata**: [openalex:W3007818598](https://www.wikidata.org/wiki/openalex:W3007818598)  
**Source**: https://4ort.xyz/entity/more-or-less-energy-with-age-a-motivational-life-span-perspective-on-subjective-energy-exhaustion-and-opportunity-costs