Social Spiral Pattern in Experimental 2x2 Games

16 Pages Posted: 1 Oct 2010

See all articles by Bin Xu

Bin Xu

School of Economics, Zhejiang Gongshang University

Zhijian Wang

Zhejiang University - Experimental Social Science Laboratory

Date Written: September 30, 2010

Abstract

We find there exists a dynamical pattern, called as social spiral, in human subjects 2x2 experiment data(Goeree, Holt et al. 2003; Selten and Chmura 2008). In a flow/velocity vector field method, we explore the data in the discrete lattices of the macro-level social strategy space in the games, and then above spiral pattern emergent. The vorticity and the divergence of the vector field of each game can be evaluated and presented in maps quantitatively. The geometrical pattern hints that, there exists a robust macro-level order beyond the stochastic process in micro-level. We show that the vorticity and divergence can be a pair of new metrics for experimental economics data. We show also that, the lattice vector field method provides an interesting way to bridge evolutionary game theory models and human subject experimental data. This lattice vector field method might provide a novel way for models evaluating and experiment designing.

Note: Downloadable document is in Chinese.

Keywords: spiral pattern, lattice vector field, experimental economics, learning model, evolutionary game theory, mixed equilibrium, dynamics, vorticity and the divergence, measurement

JEL Classification: C91, C70

Suggested Citation

Xu, Bin and Wang, Zhijian, Social Spiral Pattern in Experimental 2x2 Games (September 30, 2010). Available at SSRN: https://ssrn.com/abstract=1685154 or http://dx.doi.org/10.2139/ssrn.1685154

Bin Xu (Contact Author)

School of Economics, Zhejiang Gongshang University ( email )

18 Xuezheng Street, Hangzhou
Hangzhou, Zhejiang 310018
China
15888897050 (Phone)

Zhijian Wang

Zhejiang University - Experimental Social Science Laboratory ( email )

38 Zheda Road
312, Dongsan, Zijingang
Hangzhou 310027, Zhejiang 310058
China

HOME PAGE: http://socexp.zju.edu.cn

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