Fortune Favors the Bold, An alternative to XP for GP

In the old days I would give experience points (XP) to players for good role-playing and, generally, success in adventures, not specifically for gathering treasure or defeating foes. That was in line with the common practice for practically all games besides D&D, a game that gradually diminished in importance across the gamersphere during the years I'd been playing ('80s through the mid-'90s)