Essentially, structure scoring to award fewer points instead of taking away previously hard-won points. This frequently applies to possessions and other game tokens as well, but there are exceptions.
On the other hand, allowing certain actions only if they are paid for in victory points is an excellent way to create MeaningfulChoices. Charging victory points for an action is often a less artificial way to create a PrivilegedMove than adding a rule allowing the privileged move to be taken a fixed number of times per game.
EconomicGame?s in which the goal is to have the most money or largest net worth at game end tend to make heavy use of allowing game points to go down, otherwise known as "spending money".
From Better_By_Design?, Feburary 2002.
Actually, this is probably just an instance of PositiveReinforcement.