The formal academic study of the relationship between individual satisfaction and economic issues, such as employment and wealth. Happiness economics attempts to use econometric analysis to discover what factors increase and decrease human well-being and quality of life. One major study of happiness economics has been conducted by the Europe-based Organization for Economic Cooperation and Development. The OECD ranked happiness in its 34 member countries, based on factors such as housing, income, jobs, education, environment, civic engagement and health. The study's purpose is to help governments design better public policies.