Collision, Plasticity, and the Creation of Possibilities

Kyungcheol Jeong

MPRA Paper from University Library of Munich, Germany

Abstract: This paper discusses a model where mutation occurs in the population due to "collision", such as immigration, the introduction of new technology, and environmental changes. The proportion of mutations in the population is determined by a parameter called "plasticity", and the population goes to a long-run equilibrium through Darwinian adjustment after the collision. This paper shows that having plasticity can be better than maintaining the existing convention in the long-run equilibrium even when the existing convention is more successful than the average mutation.

Keywords: Learning; evolution; convention; social choice (search for similar items in EconPapers)
JEL-codes: C73 D71 D83 (search for similar items in EconPapers)
Date: 2026-02-21
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