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Irrigation water demand: A meta-analysis of price elasticities
East and Central Asia Department, Asian Development Bank, Manila, Philippines
Department of Agricultural and Resource Economics, Colorado State University, Fort Collins, Colorado, USA
Department of Agricultural and Resource Economics, Colorado State University, Fort Collins, Colorado, USA
Metaregression models are estimated to investigate sources of variation in empirical estimates of the price elasticity of irrigation water demand. Elasticity estimates are drawn from 24 studies reported in the United States since 1963, including mathematical programming, field experiments, and econometric studies. The mean price elasticity is 0.48. Long-run elasticities, those that are most useful for policy purposes, are likely larger than the mean estimate. Empirical results suggest that estimates may be more elastic if they are derived from mathematical programming or econometric studies and calculated at a higher irrigation water price. Less elastic estimates are found to be derived from models based on field experiments and in the presence of high-valued crops.
Received 31 January 2005; accepted 13 October 2005; published 20 January 2006.
Citation: (2006), Irrigation water demand: A meta-analysis of price elasticities, Water Resour. Res., 42, W01411, doi:10.1029/2005WR004009.
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