Inertia of Social Rotation in Laboratory 2×2 Population Games
4 Pages Posted: 16 Jan 2012 Last revised: 17 Jan 2012
Date Written: January 15, 2012
Abstract
Two observable, for social rotation in population strategy space, the mean of the angular momentum (L) and the mean of the angular velocity (w), can be observed in data of a laboratory 2x2 two-population game. In data from the experimental economics games, with population size (N) from 2, 8, 12 and 16 and with more than 30 different 2×2 payoff matrix, we find, the inertia of social rotation $I$ (equals to L/w) is an inverse proportion to N, however, statistically not dependence on payoff matrix.
Keywords: experimental economics, population game, inertia of social rotation, game theory, social dynamics, Edgeworth cycle, Shapley polygon
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