Negative price of (some types of) labor. In a game, players do some kinds of “work” for fun or for upskilling.
In the real world people do volunteer and do some work for fun. There are people who run events with entrence fees but where the entrence fees don’t cover the full cost.
In the real world people do volunteer and do some work for fun. There are people who run events with entrence fees but where the entrence fees don’t cover the full cost.