1. Ailawadi, K., Farris, P. (2004), Causation and Components in Market Share-Performance Models: The Role of Identities, in: Farris, P., Moore, M. (Hrsg.), The Profit Impact of Marketing Strategy Project: Retrospect and Prospects, Cambridge, 188-217.
2. Ailawadi, K., Farris, P., Parry, M. (1999), Market Share and ROI: Observing the Effect of Unobserved Variables, International Journal of Research in Marketing, 16, 1, 17-33.
3. Al-Laham, A. (1997), Strategieprozesse in deutschen Unternehmungen: Verlauf, Struktur und Effizienz, Wiesbaden.
4. Annacker, D., Hildebrandt, L. (2004), Unobservable Effects in Structural Models of Business Performance, Journal of Business Research, 57, 5, 507-517.
5. Bauer, H. (1989), Marktabgrenzung, Berlin.