Interesting questions on in-game economics, very likeable to solutions like the gameplay of Monopoly.
20180806/https://gamedev.stackexchange.com/questions/162401/how-to-deal-with-scrooge-mcducks-in-my-fixed-currency-amount-game
Another interesting in-game versus real money question.
20180806/https://gamedev.stackexchange.com/questions/112760/what-makes-mmos-with-real-money-economies-legal?rq=1