1. Adler, N., Stewart, J., Cohen, S., Cullen, M., Roux, A.D., Dow, W. und D. Williams (2007): Reaching for a Healthier Life – Facts on Socioeconomic Status and Health in the U.S., San Francisco.
2. Akerlof, G.A. (1970): The Market of Lemons: Quality Uncertainty and the Market Mechanism, in: Quarterly Journal of Economics, Vol. 84, S. 488-500.
3. Alesina, A., Di Tella, R. und R. McCulloch (2004): Inequality and Happiness – Are Europeans and Americans Different?, in: Journal of Public Economics, Vol. 88, S. 2009–2042.
4. Allcott, H. (2010): Social Norms and Energy Conservation, in: Science, Vol. 327, S. 1204–1205.
5. Andel, N. (1984), Zum Konzept der meritorischen Güter, in: Finanzarchiv, Bd. 42, S. 630–648.