While no single "academic paper" focuses solely on purchasing FFXI gil, there is extensive research and documentation regarding the economic and social impacts of RMT in virtual worlds like Vana'diel.

In Final Fantasy XI (FFXI) , the practice of buying gil for real money—commonly known as —is strictly prohibited by Square Enix's terms of service and can lead to severe penalties, including permanent account termination.

Engaging with third-party gil sellers introduces several significant risks beyond just game-related bans: [Q12802] Real Money Trading (RMT)