Risk compensation is a phenomenon in which people adjust their behavior in response to perceived changes in risk. This concept has been studied extensively in the fields of economics, psychology, and public health. This book provides an overview of the research on risk compensation and explores
From Wikipedia
Risk compensation is a theory which suggests that people typically adjust their behavior in response to perceived levels of risk, becoming more careful where they sense greater risk and less careful if they feel more protected. This effect is usually small in comparison to the fundamental benefits of safety interventions, but it can reduce the overall benefits or even result in increased risks.