Economic balance

1. Player Economy vs Developer Economy (Virtual Economy Gamification Tips)
2. Player Trading vs Player Selling (Virtual Economy Gamification Tips)
3. Game Economy vs Virtual Economy (Virtual Economy Gamification Tips)
4. Economic Balance vs Economic Imbalance (Virtual Economy Gamification Tips)
5. Tradable vs Sellable (Virtual Economy Gamification Tips)
6. Game Wealth vs Virtual Wealth (Virtual Economy Gamification Tips)
7. Game Economy vs Game Finance (Virtual Economy Gamification Tips)
8. Hard Currency vs Soft Currency (Virtual Economy Gamification Tips)
9. Premium Currency vs Free Currency (Virtual Economy Gamification Tips)
10. Virtual Resources vs Game Resources (Virtual Economy Gamification Tips)
11. Economic Sustainability vs Game Sustainability (Virtual Economy Gamification Tips)
12. Game Economy vs Virtual Economy (Player-Centric Gamification Tips)
13. Tradable Items vs Non-Tradable Items (Virtual Economy Gamification Tips)