Water, externality and strategic interdependence: A general equilibrium analysis

Terry L Roe, Xinshen Diao

Research output: Contribution to journalArticlepeer-review

5 Scopus citations


In a region with shared water aquifers, the use of water by one country becomes an externality to another. A policy to subsidize water is shown to lead to both countries being made worse off. However, such policies tend to receive the support of special interests having water rights, and those in sectors such as agriculture that uses water relatively intensively. A unilateral water tax will reduce own country's GDP and rise GDP in the other country. Only when both countries impose a tax co-operatively, will GDP rise in both countries. Copyright (C) 2000 John Wiley and Sons, Ltd.

Original languageEnglish (US)
Pages (from-to)149-167
Number of pages19
JournalJournal of International Development
Issue number2
StatePublished - 2000

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