The Effect of Growth On Equality in Models of the Economy

Kang Liu, N. Lubbers, W. Klein, J. Tobochnik, B. Boghosian and Harvey Gould

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Abstract: We investigate the relation between economic growth and equality in a modified version of the agent-based asset exchange model (AEM). The modified model is a driven system that for a range of parameter space is effectively ergodic in the limit of an infinite system. We find that the belief that "a rising tide lifts all boats" does not always apply, but the effect of growth on the wealth distribution depends on the nature of the growth. In particular, we find that the rate of growth, the way the growth is distributed, and the percentage of wealth exchange determine the degree of equality. We find strong numerical evidence that there is a phase transition in the modified model, and for a part of parameter space the modified AEM acts like a geometric random walk.

Date: 2013-05
New Economics Papers: this item is included in nep-fdg
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