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The value of the high Aswan Dam to the Egyptian economy
journal contribution
posted on 2023-06-08, 11:06 authored by Kenneth M Strzepek, Gary W Yohe, Richard TolRichard Tol, Mark W RosegrantThe High Aswan Dam converted a variable and uncertain flow of Nile river water into a predictable and controllable water supply stored in Lake Nasser. We use a computable general equilibrium model of the Egyptian economy to estimate the economic impact of the High Aswan Dam. We compare the actual 1997 economy to the 1997 economy as it would have been if historical pre-dam Nile flows (drawn from a 72 year portrait) had applied (i.e., the Dam had not been built). The steady water supply sustained by the High Aswan Dam increased transport productivity, and year round availability of predictable and adequate water sustained a shift towards more valuable summer crops. These static effects are worth EGP 4.9 billion. Investments in transport and agriculture increased as a consequence; these investments, assuming that Egypt is a small open economy, added another EGP 1.1 billion to the value of the Dam. The risk premium on the reduced variability is estimated to be EGP 1.1 billion for a modest risk aversion, and perhaps EGP 4.4 billion for a high risk aversion. The total gain of EGP 7.1 billion to 10.3 EGP billion equals 2.7% to 4.0% of annual GDP in 1997.
History
Publication status
- Published
Journal
Ecological EconomicsISSN
0921-8009Publisher
ElsevierExternal DOI
Issue
1Volume
66Page range
117-126Department affiliated with
- Economics Publications
Full text available
- No
Peer reviewed?
- Yes
Legacy Posted Date
2012-04-17Usage metrics
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