1. 
   Pareto optimal
   A situation in which economic welfare is maximised. In other words when no one can be made better off without someone else being made worse off, following a reorganisation of production or distribution.
   Found op http://www.bized.co.uk/reference/glossary/index.htm?glosid=345
   
   
2. 
   Pareto Optimal
   When no one can be made better off without someone else being made worse off, following a reorganisation of production or distribution.
   Found op http://www.bized.co.uk/virtual/dc/resource/glos5.htm
   
   
3. 
   Pareto optimal
   A Pareto optimal, or Pareto efficient, outcome is one such that no-one could be made better off without making someone else worse off....more on Pareto optimal
   Found op http://moneyterms.co.uk/p/
   
   
4. 
   Pareto optimal
   In an endowment economy, an allocation of goods to agents is Pareto Optimal if no other allocation of the same goods would be preferred by every agent. Pareto optimal is sometimes abbreviated as PO. Optimal is the descriptive adjective, whereas optimum is a noun. A Pareto optimal allocation is one t...
   Found op http://www.econterms.com/glossary.cgi?query=Pareto+optimal
   
   
5. 
   Pareto-optimal
   Having the property that no Pareto-improving change is possible.
   Found op http://www-personal.umich.edu/~alandear/glossary/p.html
   
   

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