It improves the chance that further Market Economics will happen by rewarding people who produce it. It goes without saying that Market Economics is a terminal value to the Market Economics Fairy. If she was just interested in profit, she'd be starting a hedge fund instead of going around telling people about Market Economics.
Market Economics fairy should consider starting a hedge fund anyway and investing that money into a lobby group or other means of promoting Market Economics. I sincerely doubt emitting sparkles from her wand is where her comparative advantage lies.
Here's the new thread for posting quotes, with the usual rules: