Player spending

1. Player Spending vs Player Investment (Virtual Economy Gamification Tips)
2. Game Revenue vs Virtual Revenue (Virtual Economy Gamification Tips)
3. Game Economy vs Game Finance (Virtual Economy Gamification Tips)
4. Virtual Expenditure vs Digital Expenditure (Virtual Economy Gamification Tips)
5. Game Economy vs Virtual Economy (Player-Centric Gamification Tips)
6. Economic Impact vs Game Impact (Virtual Economy Gamification Tips)
7. Player Transactions vs In-Game Transactions (Virtual Economy Gamification Tips)