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Wolves' contribution to structural change in grazing systems among swiss alpine summer farms: The evidence from causal random forest.

Journal of Agricultural Economics, In Press, 2023, 1-17.

The return of wolves to Swiss mountains and the damage they cause to sheep and goat herds in the region have raised concerns about a consequent wave of farm closures. In this paper, we examine the relationship between wolf attacks and the decline of Alpine summer farms, a specific high-altitude farm type. We collected farm structure data and monitoring data on wolf attacks between 2004 and 2021 and analysed them using a causal random forest method, enabling a detailed analysis of the relation between wolf attacks and the number of different types of Alpine summer farms at a regional level. The results show that the farming systems are unaffected by incidental and infrequent wolf attacks, but that a high number of wolf attacks in a region is related to faster decrease in number of grazing systems where sheep are most vulnerable to such attacks. In contrast, systems that allow for better herd protection tend to show an increase in areas with frequent wolf attacks.

ISSN Print: 0021-857X
ISSN Online: 1477-9552
Digital Object Identifier (DOI): https://doi.org/10.1111/1477-9552.12540
Publikations-ID (Webcode): 53839 Per E-Mail versenden

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