Risk‐efficient portfolio crop choice with amended water and irrigation policies in northern Germany

Matthias Buchholz and Oliver Musshoff

Agricultural Finance Review, 2013, vol. 73, issue 2, 373-388

Abstract: Purpose - Increasing environmental concerns have placed the need for an enhanced water resources management on the policy agenda. In this context, a restrictive regulation of water withdrawals for irrigation has gained in importance. The purpose of this paper is to investigate how a reduction in water quotas and increased water prices affect risk‐efficient crop choices and the related economic implications for northern German farmers. Design/methodology/approach - The authors apply a whole‐farm risk programming approach to a typical arable farm in northern Germany. By using irrigation field trials, production activities with varying irrigation intensities and inherently incorporated crop yield uncertainty are defined. Findings - In contrast to increased water prices, a reduction in water quotas leads to higher water savings and lower economic disadvantages for farmers. Due to an adjusted portfolio crop choice, as well as irrigation intensity, the reduction in the expected total gross margin is partially offset. Research limitations/implications - This example ensures volumetric water monitoring at the farm level which, however, remains a major pitfall in many other countries. From a methodological perspective, the crop yield distribution choice might affect the findings. Likewise, the consideration of downside risk in an irrigation context appears to be interesting for future research. Originality/value - This is the first paper to compare the implications of differentiated water quotas and water pricing schemes suggested by the European Water Framework Directive, while taking risk‐efficient crop portfolio considerations into account. This approach facilitates water reallocation not only between crops, but also in terms of the crop‐specific irrigation intensity. Crop yields are based on a unique panel of micro data rather than expert opinions or simulations.

Keywords: Germany; Arable farming; Water supply; Crops; Water quotas; Water pricing policies; Whole‐farm risk programming; Bootstrap simulation; Water Framework Directive (search for similar items in EconPapers)
Date: 2013
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Citations: View citations in EconPapers (2)

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Persistent link: https://EconPapers.repec.org/RePEc:eme:afrpps:v:73:y:2013:i:2:p:373-388

DOI: 10.1108/AFR-10-2012-0056

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