Tiered pricing models

1. Monetization Strategy vs Revenue Model (Virtual Economy Gamification Tips)
2. Economic Impact vs Game Impact (Virtual Economy Gamification Tips)
3. Game Revenue vs Virtual Revenue (Virtual Economy Gamification Tips)
4. Game Taxation vs Real Taxation (Virtual Economy Gamification Tips)
5. In-App Purchases vs In-Game Purchases (Virtual Economy Gamification Tips)
6. Pricing Strategy vs Monetization Strategy (Virtual Economy Gamification Tips)
7. Subscription Model vs Freemium Model (Virtual Economy Gamification Tips)