Giving in dictator games is driven by a preference for decision rights, not just following instructions. Experiments show that dictators care about how the game is played, not just the outcomes. Ethical beliefs strongly influence how much dictators give in these games. Results explain why people give less when they earn the money, when they can take more, or when they are not anonymous. Generous people may avoid the game altogether. Social norms and beliefs also play a big role in how much dictators give.