[pavel_lishin]

> Should the game developers focus on the gameplay with economics in mind so as it should be a an objective and not just a byproduct?

Isn't that what EVE did? (Also, you might want to read Stephenson's latest novel, Reamde, for an exploration of a game company that did just that.)

[Drbble]

Eve focuses much more (industry leading) on in-game economics as a gameplay aspect , but not as exceptionally much on converting game money to real money. Second Life has a rather sophisticated and officially supported currency exchange with out-of -game currency (dollars)