The central plains city group, as an economy body, must has its own leading industry, which should not be base on the tradi- tional economy with "four-industry group"as characteristic, but proliferation-based economy.

The transformation of economy growth is that the ways of economic growth change from extensive mode into intensive one.

Analysis on technology growth and R&D level a class of economic growth model

In this paper,we apply the theory of chaos to economic growth models,thenget a sufficient condition under which some economic growth models producechaos.

In order to unite the functions of the system and the technology in economic growth, this paper constitutes an economic growth model with exogenous system and technology, and explains the economic growth situation of China and the uncertainty of the economic growth in other countries by using the model.

Research on Numbers of Branch,Asset Scale and the Economy of Scale of Commercial Banks in China——Based on Augmented Economy of Scale Approach;

Influence of China s extensive growth style on environment and environmental policy;