Physics – Physics and Society
Scientific paper
2010-01-26
Physica A 389 (18), 3876-3882 (2010)
Physics
Physics and Society
8 pages
Scientific paper
10.1016/j.physa.2010.05.032
The growth dynamics of complex organizations have attracted much interest of econophysicists and sociophysicists in recent years. However, most of the studies are done for developed countries. We investigate the growth dynamics of the primary industry and the population of 2079 counties in mainland China using the data from the China County Statistical Yearbooks from 2000 to 2006. We find that the annual growth rates are distributed according to Student's $t$ distribution with the tail exponent less than 2. We find power-law relationships between the sample standard deviation of the growth rates and the initial size. The scaling exponent is less than 0.5 for the primary industry and close to 0.5 for the population.
Gu Gao-Feng
Xie Wen-Jie
Zhou Wei-Xing
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