The use of measures of economic output to guide policymaking has been criticized for decades because of their weak ties to human well-being. Recently, many scholars and politicians have called for measures of happiness or subjective well-being to be used to guide policy in people's true interests. In The Illusion of Well-Being, Mark D. White explains why using happiness as a tool for policymaking is misguided and unethical. Happiness is too vague...