Microtransactions model

1. Player Transactions vs In-Game Transactions (Virtual Economy Gamification Tips)
2. Economic Impact vs Game Impact (Virtual Economy Gamification Tips)
3. Virtual Budget vs Game Budget (Virtual Economy Gamification Tips)
4. In-Game Purchases vs Microtransactions (Player-Centric Gamification Tips)
5. Player Economy vs Developer Economy (Virtual Economy Gamification Tips)