Oriented distance function and its evolution equation for initial sets with thin boundary

2004 ◽  
Author(s):  
M.C. Delfour ◽  
J.-P. Zolesio
Keyword(s):  
Evolution Equation ◽  
Distance Function ◽  
Oriented Distance Function ◽  
Oriented Distance

scholarly journals Economic Evaluation of Yield-Increasing Wheat Seeds Using a Distance Function Approach

2018 ◽  
Vol 47 (3) ◽  
pp. 610-633 ◽  
Author(s):  
Philipp Wree ◽  
Johannes Sauer ◽  
Stefan Wimmer
Keyword(s):  
Distance Function ◽  
Economic Value ◽  
Stochastic Frontier ◽  
Returns To Scale ◽  
Wheat Breeding ◽  
Yield Potential ◽  
Oriented Distance Function ◽  
Oriented Distance ◽  
Shadow Value ◽  
Breeding Techniques

New wheat-breeding techniques, such as hybridization and genetic modification, show increasing yield potential. This study involves estimating multi-output multi-input production technology by stochastic frontier techniques to evaluate the economic value of this yield potential. An input-oriented distance function is formulated and applied to European Farm Accountancy Data of 23 European countries. Based on the analysis, an average shadow value is derived for the increase in the marginal yield of wheat that corresponded to 18.87 €/ha. Further, technical change, technical efficiency, and returns to scale are measured for different European regions.

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