# Non-economic
The property of a process having no economic importance or implication, a closed loop in which there are net zero inflows and outflows of good or services.

See [ficticious commodity](ficticious-commodity.md) and [artificial scarcity](artificial-scarcity.md).

## References
1. Grinold, Richard C., and Ronald N. Kahn. Active portfolio management: Quantitative theory and applications. Probus, 1995.
1. Wilmott, Paul. Paul Wilmott introduces quantitative finance. John Wiley & Sons, 2007.