Basinwide Water Management: A Spatial Model

Posted: 30 Mar 2005

See all articles by Ujjayant Chakravorty

Ujjayant Chakravorty

Tufts University

Chieko Umetsu

Research Institute for Humanity and Nature (RIHN)

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Abstract

This paper develops a spatial model for a water basin that allows for surface water allocation and re-use of the water that is lost. The analytical solution suggests specialisation of production over space - upstream farmers use canal water and downstream farmers pump groundwater that is lost upstream. Groundwater emerges as an endogenous backstop. The empirical results suggest that when traditional conservation technologies are used, optimisation over the entire basin leads to significant increases in aggregate output, project area and water use. Somewhat counter-intuitively, rents from water decrease if farmers switch from traditional to modern irrigation technology.

Keywords: Water Allocation, Spatial Models, Conjunctive Use, Irrigation Technology

JEL Classification: Q25, Q15, R30

Suggested Citation

Chakravorty, Ujjayant and Umetsu, Chieko, Basinwide Water Management: A Spatial Model. Journal of Environmental Economics and Management, Vol. 45, No. 1, pp. 1-23, 2003. Available at SSRN: https://ssrn.com/abstract=558129

Ujjayant Chakravorty (Contact Author)

Tufts University ( email )

Medford, MA 02155
United States

Chieko Umetsu

Research Institute for Humanity and Nature (RIHN) ( email )

Motoyama Kamigamo 457-4
Kita-ku
Kyoto 603-8047
Japan

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