Felix and Oscar are roommates. Oscar is messy, and Felix is planning to move out unless they can come to an agreement. For the roommates to reach a private solution, does it matter whether Oscar...

Felix and Oscar are roommates. Oscar is messy,
and Felix is planning to move out unless they can
come to an agreement. For the roommates to reach
a private solution, does it matter whether Oscar
compensates Felix for being messy or Felix pays
Oscar to clean up?