significant increase in maize yield variability was realized in Bangladesh, India, Pakistan, and Sri Lank.  The factors …

national levels using the example of Swiss wheat and barley yields. The estimated yield variability decreases significantly … with increasing level of aggregation, with crop yield variability at the farm-level being up to 2.38 times higher than … misleading. Using an example of farm yield insurance, we show that using crop yield variability estimates from aggregated levels …

Yield variability can be significantly higher at the farm level than at more aggregated levels, including the county …. For corn, soybeans, and wheat, we compare the farm level yield variability obtained from this data to that inferred from … Federal crop insurance premiums. The farm management data exhibit lower yield variability than are implied by the crop …

We examine how changes in yield variability affect the welfare of cereal grain and oilseed buyers and producers around … substantially if crop yield variability were to rise. Net welfare effects, however, are moderate so long as countries do not resort …-income countries suffer the most from increases in yield variability, due to higher bilateral trade costs and lower …

profitable. However, low-input production is also more risky, in particular due to higher yield variability. The here presented …