1. Abramovitz, M. (1986): Catching Up, Forgoing Ahead, and Falling Behind, in: The Journal of Economic History 46, Nr. 1, S. 385–406.
2. Aghion, P., Caroli, E., Garcia-Penalosa, C. (1999): Inequality and Economic Growth: The Perspective of the New Growth Theories, in: Journal of Economic Literature, Nr. 37 (December), S. 1615–1660.
3. Aghion, P., Howitt, P., Violante, G. L. (2000): Technology, Knowledge and Inequaltiy. mimeo, Harvard University.
4. Aitchison, J., Brown J. (1969): The Lognormal Distribution, University Press, Cambridge.
5. Alesina, A., Rodrik, D. (1994): Distributive Politics and Economic Growth, in:The Quarterly Journal of Economics, Jg. 109, Nr. 2, S. 465–490.