Water When it Counts: Reducing Scarcity Through Irrigation Monitoring in Central Mozambique

54 Pages Posted: 21 Feb 2018

See all articles by Paul Christian

Paul Christian

World Bank - Development Research Group (DIME)

Florence Kondylis

World Bank - Development Research Group (DECRG); Earth Institute at Columbia University; Centre for Economic Performance (LSE)

Valerie Martina Mueller

Arizona State University (ASU)

Astrid Maria Theresia Zwager

World Bank

Tobias Siegfried

Columbia University

Date Written: February 20, 2018

Abstract

Management of common-pool resources in the absence of individual pricing can lead to suboptimal allocation. In the context of irrigation schemes, this can create water scarcity even when there is sufficient water to meet the total requirements. High-frequency data from three irrigation schemes in Mozambique reveal patterns consistent with inefficiency in allocations. A randomized control trial compares two feedback tools: i) general information, charting the water requirements for common crops, and ii) individualized information, comparing water requirements with each farmer's water use in the same season of the previous year. Both types of feedback tools lead to higher reported and observed sufficiency of water relative to recommendations, and nearly eliminate reports of conflicts over water. The experiment fails to detect an additional effect of individualized comparative feedback relative to a general information treatment.

Suggested Citation

Christian, Paul and Kondylis, Florence and Mueller, Valerie Martina and Zwager, Astrid Maria Theresia and Siegfried, Tobias, Water When it Counts: Reducing Scarcity Through Irrigation Monitoring in Central Mozambique (February 20, 2018). World Bank Policy Research Working Paper No. 8345. Available at SSRN: https://ssrn.com/abstract=3127230

Paul Christian (Contact Author)

World Bank - Development Research Group (DIME) ( email )

1818 H. Street, N.W.
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Florence Kondylis

World Bank - Development Research Group (DECRG) ( email )

1818 H. Street, N.W.
MSN3-311
Washington, DC 20433
United States

Earth Institute at Columbia University ( email )

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HOME PAGE: http://www.columbia.edu/~fk2182/

Centre for Economic Performance (LSE) ( email )

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HOME PAGE: http://www.columbia.edu/~fk2182/

Valerie Martina Mueller

Arizona State University (ASU) ( email )

Farmer Building 440G PO Box 872011
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United States

Astrid Maria Theresia Zwager

World Bank

1818 H Street, NW
Washington, DC 20433
United States

Tobias Siegfried

Columbia University ( email )

3022 Broadway
New York, NY 10027
United States

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