Technological developments and changes in relative prices lead to changes in the entire production structure. It is not easy to inversely derive the causes of changes from given changes of input-output coefficient matrix. RAS algorithm is a method to update and levelling typical input-out table. The paper attempts to expand this algorithm for the analysis model of changes in the industrial structure, and to decompose the input coefficient changes into column-specific, row-specific and cell-specific changes without setting industrial structure changes by demand-driven or supply-driven in advance. After that, quantitative analysis about changes in the industrial structure and the reasons of them in China is done in this paper. We find that while industrial structure in China is developing sophisticatedly, labor-intensive industries grow in a high rate, which reflects imbalanced regional development of Chinese economy, and the effect of internalization from industrial upgrading into regional industrial transfer.
Key words
economics structure /
input-output /
RAS
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References
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