Winegrape yield and revenue variability in Australia

German Puga () and Kym Anderson
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German Puga: Wine Economics Research Centre, School of Economics and Public Policy, University of Adelaide, Australia

No 2023-03, Wine Economics Research Centre Working Papers from University of Adelaide, Wine Economics Research Centre

Abstract: While winegrowers usually want to achieve consistent yield targets, there is a high degree of yield and price (and hence gross revenue) variability in winegrape production. The aim of this study is to determine whether there are differences in yield and revenue variability across climates, varieties, and regions in Australia. To do so, we estimate statistical models of the impact of those three variables on the coefficient of variation of yield and gross revenue per hectare. The results suggest that hotter and drier regions exhibit lower inter-annual yield variability, something that may be largely explained in the past by the use of irrigation but which may change in the future with climate change and higher water prices. The results also show that there are sometimes differences in yield and revenue variability not only across regions but also between varieties.

Keywords: grape yield; grape revenue; coefficient of variation; viticulture; climate change; alternate bearing (search for similar items in EconPapers)
JEL-codes: Q10 Q15 (search for similar items in EconPapers)
Pages: 20 pages
Date: 2023-11
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Persistent link: https://EconPapers.repec.org/RePEc:adl:winewp:2023-03

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