Bulg. J. Phys. vol.33 no.s3 (2006), pp. 123-128

Application of Physics Methods to Social Phenomena

N.K. Vitanov1, Z.I. Dimitrova2, I.P. Jordanov1
1Institute of Mechanics, Bulgarian Academy of Sciences, BG-1113 Sofia, Bulgaria
2Institute of Solid State Physics, Bulgarian Academy of Sciences, BG-1784 Sofia, Bulgaria
Abstract. Many social problems can be studied by means of the methods of nonlinear dynamics, time series analysis and statistical physics. Here we discuss adaptation of populations with and without extinction as well as connection of the corresponding simple models to the election preferences of voters and to competition of different producers of similar products, evaluated by the customers. In addition by means of time series analysis of time series for piglet prices and production in Japan we show the success of the regulation politics of the Japanese government in the agricultural sector after the oil crisis in 1974.

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