A market economy operates on the principle of equal-value exchange.
Tips
usage
A core term in classical political economy (Marx) and a recurring philosophical motif in pop fiction. In Japanese, 等価交換 (tōka kōkan) is the foundational law of alchemy in 'Fullmetal Alchemist' - Chinese fans use the same term.
In Pop Culture
钢之炼金术师Gāngzhīliànjīnshùshī
Hit anime/manga whose first law of alchemy is 等价交换 - to obtain something, you must give something of equal value.
