noun
expanding equilibrium; expansionary equilibrium
A situation where two or more parties (e.g., nations, companies) increase their efforts or resources in a competitive cycle, yet the overall balance of power or scale remains roughly the same. Often used in economics, international relations, and game theory.
軍拡競争は拡大均衡の典型例だ。
An arms race is a classic example of an expanding equilibrium.
両社の設備投資競争は拡大均衡を生み出している。
The capital investment rivalry between the two companies is creating an expanding equilibrium.
Compound of 拡大 (expansion) and 均衡 (equilibrium). The term is a modern coinage used primarily in technical discourse.