Open AccessOn the usefulness of the directional distance function in analyzing environmental policy on manure management
Author(s) -
Isabelle Piot-Lepetit
Publication year - 2006
Publication title -
hal (le centre pour la communication scientifique directe)
Language(s) - English
Resource type - Conference proceedings
Subject(s) - shadow price , constraint (computer aided design) , manure , function (biology) , european union , manure management , shadow (psychology) , production (economics) , environmental economics , agricultural engineering , computer science , environmental science , economics , business , mathematical optimization , mathematics , ecology , microeconomics , engineering , biology , international trade , evolutionary biology , psychology , geometry , psychotherapist