# marginal rate of technical substitution

> slope of the isoquant; amount by which the quantity of one input has to be reduced when one extra unit of another input is used, so that output remains constant

**Wikidata**: [Q1113178](https://www.wikidata.org/wiki/Q1113178)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Marginal_rate_of_technical_substitution)  
**Source**: https://4ort.xyz/entity/marginal-rate-of-technical-substitution


## References

1. Freebase Data Dumps. 2013