Qualitative Economics and the Stability of Equilibrium¶
Quirk, J. (1965). Qualitative Economics and the Stability of Equilibrium. The Review of Economic Studies, 32(4), 311-326.
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Primes¶
- Cycle
- Sign of a cycle: in a signed digraph the product of edge signs around a cycle predicts whether the feedback amplifies or stabilizes, a single bit that organizes the system's qualitative behaviour.
This sourceFoundational treatment of sign stability: the signs of cycles in a signed (di)graph / community matrix govern whether the system is qualitatively stable, with the product of signs around a cycle indicating amplifying vs. counteracting feedback.
- Sign of a cycle: in a signed digraph the product of edge signs around a cycle predicts whether the feedback amplifies or stabilizes, a single bit that organizes the system's qualitative behaviour.
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