1. Make-or-buy decisions: Vertical integration and marketing productivity;Anderson;Sloan Management Review,1986
2. Do fixed effects matter?;Boulding;Marketing Science,1990
3. Environment, market share and market power;Boulding;Management Science,1990
4. A look on the cost side: Market share and the competitive environment;Boulding;Marketing Science,1993
5. Buzzell, R.D., Gale, B.T., 1987. The PIMS Principles. The Free Press, New York.