A Little Pain with my Pleasure

[PimCarb]

Exp loss does not increase the amount of gil sellers. I think the idea of groups working together is good, not group effort. Unless you want to talk about exchanging/selling exp. This I feel would be the worst idea.

[ZakarnRosewood]

"PL'er for sale, 10 levels, $100."

[IndigoDarkwolf]

Exp loss does not increase the amount of gil sellers.

No, the things that increase gil sellers are a lack of enforcement and players willing to pay real money for gil.

I'm not saying that eradicating gil sellers and buyers is straightforward, but it would probably be a start in the right direction to not only ban the gil sellers once you have proof of an infraction, but record their payment information, ban every account using that payment information, and then ban every account that had a gil transaction over, say, 100,000 gil with those accounts. Or, in 2.0 currency, over 10,000 gil.

Or if you really wanted to be even more clever, keep a record of all market transactions each month, fit them to a normal distribution curve, and flag anything as suspicious if it's greater than one standard deviation from mean average sales price.