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With the yearly increase of export proportion in China's economy, China's economic growth is relying more and more on export. In the current case of weak external demand, Exports plays an important role in the stability of China's future economic development. Through the State Space Model, the paper has tested the variation tendency of how much China's economy rely on export, which turns out that...
Arable land has been decreasing due to rapid population growth and economic development as well as urban expansion. To obtain a better understanding of controlling land use and to design mechanisms to ensure sustainable land management, an accurate prediction of arable land is a key issue fundamentally. In this study, artificial neural network (ANN) model is applied to estimate the arable land change...
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