Understanding Water Consumption and Demand in China

Abstract:

The impact factors of the water consumption changes from 1999 to 2002 and from 2002 to 2007 in China are studied with structural decomposition analysis(SDA) model.Firstly, we combine the classical IPAT model with consumer endogenous input-output local closed model, then decompose the impact factors of water consumption changes with the combined model.Secondly, we analyze the direct effect of final demand on water consumption changes. The main results are as follows: (1) At the structural level, the increase of the GDP per capita is the main factor of water consumption increase, the decrease of water use intensity is the main factor of water consumption decrease.(2)At the final demand level, the total final demand change is the main factor of water consumption change, whose effect exceeds water use intensity decrease and the change of technical level. Among the components of final demand, investment is the main factor of water consumption growth, which exceeds the effects of government consumption and net exports.

• Periodical: Advanced Materials Research (Volumes 955-959)
• Pages: 3155-3160
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.955-959.3155
• Online since: June 2014
• Authors: Biao Zhang, Xiu Li Liu*
• Keywords: Impact Factors, Input-Output Analysis, Structural Decomposition Analysis, Water Consumption

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