Limited edition items

1. Item Rarity vs Item Value (Virtual Economy Gamification Tips)
2. Player Market vs Game Market (Virtual Economy Gamification Tips)
3. Inflation Rate vs Deflation Rate (Virtual Economy Gamification Tips)
4. Player Economy vs Developer Economy (Virtual Economy Gamification Tips)
5. Tradable vs Sellable (Virtual Economy Gamification Tips)
6. Virtual Goods vs Digital Goods (Virtual Economy Gamification Tips)
7. Virtual Resources vs Game Resources (Virtual Economy Gamification Tips)
8. Barter System vs Trading System (Virtual Economy Gamification Tips)
9. Virtual Items vs In-Game Items (Gamification Achievement Systems Tips)
10. Virtual Store vs In-Game Store (Virtual Economy Gamification Tips)