The article shows how economic analysis, which assumes people always act in their own best interest, can still be accurate even though people don't always act that way. Studies on how our brains work reveal that we often make decisions that benefit ourselves, even if it means breaking rules or morals. This supports many predictions of economic analysis without painting people as purely selfish. The research suggests that our unconscious processes can lead us to act in self-serving ways, even when we don't realize it. This new understanding could help improve legal policymaking.