In this dissertation, I defend a volitionalist theory of aesthetic value. The volitionalist theory is a species of response-based models of aesthetic value: It holds that aesthetic value is based in a kind of human response. Traditional response-based theories of aesthetic value hold that value is based in responses of cognition, perception, desire, or pleasure. The volitional theory offers a new response as the home of aesthetic value: the will. We find things beautiful, I argue, because we orient our selves towards them; we find things ugly, I argue, because we orient our selves against them. The volitionalist theory I offer here is what I call, following Ruth Chang, a form of hierarchical voluntarism. On the first stage of the theory, th...