Today, the stratum of the rich on China's mainland probably consists first and foremost of private entrepreneurs whose property and income levels are indeed considerably higher than those of ordinary inhabitants. However, if seen from another angle, that is, in light of international comparison,...

The present study considers how education affects off-farm job participation and wages. We use a nationally representative dataset from a survey conducted in 5 provinces, 101 villages and 808 households by the authors in early 2005. The empirical results show that educational attainment, skill...

By using the software SAS9.2 and the relevant data of consumption level of rural residents in China from 1952 to 2008, the ARIMA model is established. The model is used to analyze and forecast the time series of the consumption level of Chinese rural residents. The results show that in the near...

This paper proposes a new explanation for Zipf’s law often observed in the top tail of city size distribution. We show that Zipf’s law can emerge if city size can be expressed as a product of multiple random factors. Each of the factors need not generate Zipf’s law by itself. The key...

Significant pressure from increasing CO2 emissions and energy consumption in China's industrialization process has highlighted a need to understand and mitigate the sources of these emissions. Ammonia production, as one of the most important fundamental industries in China, represents those...

Research on precursory information about the scale invariance of seismicity before large earthquakes has been an interesting topic for geophysicists in recent years. However, in some cases, it is difficult to capture this precursory information. Our study results show that seeking a pertinent...