Action that benefits even a single person without harming anyone else. This is possible to implement by utilizing idle resources in the economy or by getting rid of deadweight losses that result in market failures. It cannot be said that perfect efficiency has been achieved if there is scope for even a single Pareto Improvement.
Related information about Pareto improvement:
- Pareto efficiency - Wikipedia, the free encyclopedia
 Thus, moving from A to D enables you to make one person better off without   making anyone else worse off (Pareto improvement). Moving to point B from point   A, ...
 
- Pareto Improvement Definition | Investopedia
 In neoclassical economics, an action done in an economy that harms no one and   helps at least one person. The theory suggests that Pareto improvements will ...
 
- Freakonomics » A True Pareto Improvement
 Dec 10, 2008 ... I guess the number of situations where we can think of a potential Pareto   Improvement is so low because usually people would already have ...
 
- What is an example of a Pareto improvement? - Quora
 Jan 13, 2011 ... Given an initial allocation of goods among a set of individuals, a change to a   different allocation that makes at least one individual better off ...
 
- Pareto improvement - Wiktionary
 [edit] Noun. Pareto improvement (plural Pareto improvements). (game theory,   economics) A change in the allocation of a resource to a set of individuals that is ...
 
- What is Pareto improvement? definition and meaning
 Definition of Pareto improvement: Action that benefits even a single person   without harming anyone else. This is possible to implement by utilizing idle   resources ...
 
- Pareto improvement - Medical Dictionary - The Free Dictionary
 any change in economic management that improves the situation of one or more   members of the community without worsening the lot of anyone. Want to thank ...
 
- Definition of Pareto improvement, definition at Economic Glossary
 Need to define Pareto improvement? Economic term Pareto improvement   definition. To find out what is Pareto improvement, see this explanation.