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Water 2014, 6(11), 3300-3319; doi:10.3390/w6113300

Do Water Rights Affect Technical Efficiency and Social Disparities of Crop Production in the Mediterranean? The Spanish Ebro Basin Evidence

1
Department of Economics, Universidad de Alcalá, Plaza de la Victoria, 2, Alcalá de Henares 28802, Madrid, Spain
2
Direction for Evaluation and Monitoring of Social Programs, Secretariat of Social Development, Mexico City 06600, Mexico
*
Author to whom correspondence should be addressed.
Received: 1 July 2014 / Revised: 29 September 2014 / Accepted: 8 October 2014 / Published: 3 November 2014
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Abstract

The coming agenda for the European Common Agricultural Policy includes more incentives for the environmental compliance of farmer’s activities. This will be particularly important in the case of water risk management in Mediterranean countries. Among the new challenges is the need to evaluate some of the instruments necessary to comply with the Water Framework Directive requirements that emphasize the management of water demand to achieve the environmental targets. Here we analyze the implications of changing water rights as a policy response to these challenges. We analyze two important aspects of the decision: (i) the effects on the crop productivity and efficiency and (ii) the effects on the rural income distribution. We provide the empirical estimations for the marginal effects on the two considered aspects. First, we calculate a stochastic frontier production function for five representative crops using historical data to estimate technical efficiency. Second, we use a decomposition of the Gini coefficient to estimate the impact of irrigation rights changes on yield disparity. In our estimates, we consider both bio-physical and socio-economic aspects to conclude that there are long term implications on both efficiency and social disparities. We find disparities in the adaptation strategies depending on the crop and the region analyzed. View Full-Text
Keywords: technical efficiency; yield inequality distribution; climate change adaptation; water policy; agricultural policy technical efficiency; yield inequality distribution; climate change adaptation; water policy; agricultural policy
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Quiroga, S.; Fernández-Haddad, Z.; Suárez, C. Do Water Rights Affect Technical Efficiency and Social Disparities of Crop Production in the Mediterranean? The Spanish Ebro Basin Evidence. Water 2014, 6, 3300-3319.

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