The level of natural hedge, i.e. the (negative) correlation between price and yield levels, is an important determinant for farmers’ income risks and their demand for risk management instruments. The natural hedge is often approximated with correlations observed at more aggregated levels, e.g....

Purpose – The purpose of this paper is to analyze the effects of data aggregation and farm-level crop acreage on the level of natural hedge, i.e. the level of price-yield correlations, which is an important issue in risk modeling and management. Design/methodology/approach – Swiss FADN data...

The present dissertation is twofold and takes up several issues in two separate and independent articles. In chapter II, the hedging effectiveness of weather index-based insurance with regard to aggregation biases in the underlying risk exposure of aggregated yield time series is presented. The...