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...

Romania's significant agricultural productive potential can fully cover domestic demand and can ensure important export deliveries. However, the yield of cereal production is below the European Union average. Of these, an important place is occupied by wheat production. Taking into account these...

In this paper we examine the role of the interaction between labour productivity and the use of factors in explaining the recent (1998-2007) 11% decline in wheat production in China. We employ a non-neutral stochastic production frontier approach that enables us to identify the interaction and...