He conducts simple experiments to show how people cheat, procrastinate, overvalue objects they made themselves, take free things they don't need, insist upon keeping their financial options open evenwhen it means losing money and otherwise behave contrary to their interests.
Goblinworks and Paizo are adopting a subscriber model for Pathfinder Online, in a time when that revenue model is quickly losing ground and even behemoths like Star Wars: The Old Republic have been forced to adopt a F2P model.
Instead the stock is only sold at the last defensible moment (at a point in time wheneven the corporation concedes the neccessity of the sale), losing participants the overwhelming majority of their investment.