!!! Overview
[{$pagename}] is an economic [good] or [service] that has whose individual units are full or substantially essentially interchangeable.

This implies:
* the [market] treats instances of the [good] as equivalent or nearly so with no regard to who produced them
* equivalence of each unit of a [{$pagename}] with other units of the same [{$pagename}] 
** (ie. a gram of gold is a gram of gold)



!! More Information
There might be more information for this subject on one of the following:
[{ReferringPagesPlugin before='*' after='\n' }]