Explanation: More context is needed, as "enlightened economy" is correct but has a different meaning (economy managed by educated and/or spiritual leaders/ideals). Some of Trans4u's other options could work in a specific context.
Anyway, this seems to be the most common usage:
Gift economy - Wikipedia, the free encyclopedia- A gift economy is an economic system in which goods and services are given without any explicit agreement for immediate or future quid pro quo. ...
en.wikipedia.org/wiki/Gift_economy
Digital gifts: Participation and gift exchange in LiveJournal ...- In doing so, it will argue that, unlike earlier anthropological and socio–economic notions of the gift economy that see the exchange as one of power ... www.firstmonday.org/ISSUES/issue12_5/pearson
Explanation: Definitions of enlightened on the Web:
highly educated; having extensive information or understanding; "an enlightened public"; "knowing instructors"; "a knowledgeable critic"; "a ...
having knowledge and spiritual insight;
disillusioned: freed from illusion
initiate: people who have been introduced to the mysteries of some field or activity; "it is very familiar to the initiate"
educated: having or based on relevant experience; "an educated guess"; "an enlightened electorate" http://www.google.com/search?hl=en&defl=en&q=define:enlighte...
Explanation: More context is needed, as "enlightened economy" is correct but has a different meaning (economy managed by educated and/or spiritual leaders/ideals). Some of Trans4u's other options could work in a specific context.
Anyway, this seems to be the most common usage:
Gift economy - Wikipedia, the free encyclopedia- A gift economy is an economic system in which goods and services are given without any explicit agreement for immediate or future quid pro quo. ...
en.wikipedia.org/wiki/Gift_economy
Digital gifts: Participation and gift exchange in LiveJournal ...- In doing so, it will argue that, unlike earlier anthropological and socio–economic notions of the gift economy that see the exchange as one of power ... www.firstmonday.org/ISSUES/issue12_5/pearson
Cinnamon Nolan Spain Native speaker of: English PRO pts in category: 4
The translation workplace 
peer agreement (net): +1