Hacker News new | ask | show | jobs
by dubcomesaveme 5997 days ago
subscription fees + time invested in leveling = sunk costs

http://en.wikipedia.org/wiki/Sunk_costs#Loss_aversion_and_th...

players will spend more time playing than they would otherwise want to due to their perception of sunk costs, hours of gameplay provided expands to meet this demand with a grinding mechanism being the cheapest type of gameplay to offer