1. Diffusion Books Rogers, Everett (1962, 1983, 1995), Diffusion of Innovations.

2. Diffusion Articles Bass, Frank M. (1969), "A New Product Growth Model for Consumer Durables" Management Science, 15 (5), 215-227. Danaher, Peter J., Bruce G. S. Hardie, and William P. Putsis, Jr. (2001), “Marketing-Mix Variables and the Diffusion of Successive Generations of a Technological Innovation" Journal of Marketing Research, 38 (Nov.), 501-514. Mahajan, Vijay, Eitan Muller, and Frank M. Bass (1990), “New Product Diffusion Models in Marketing: A Review and Directions for Research," Journal of Marketing, 54 (Jan.), 1- 26. Libai, Barak, Eitan Muller, and Renana Peres (2009), “The Diffusion of Services," Journal of Marketing Research, 46 (April), 163-175.

3. References Re Premarket Forecasting Models Silk, Alvin J. and Glen L. Urban (1978), “Pre-Test-Market Evaluation of New Packaged Goods: A Model and Measurement Methodology," Journal of Marketing Research, 15 (2), 171-191. (Assessor model) Urban, Glen L., and Gerald M. Katz (1983), ”Pre-Test-Market Models: Validation and Managerial Implications,” Journal of Marketing Research, 20 (3), 221-234. Urban, Glen L., Bruce D. Weinberg, and John R. Hauser (1996), “Premarket Forecasting of Really-New Products," Journal of Marketing, 60 (Jan.), 47-60. Altogether useful paper: Chintagunta, Pradeep K. and Bo E. Honore (1996), “Investigating the Effects of Marketing Variables and Unobserved Heterogeneity in a Multinomial Probit Model," International Journal of Research in Marketing, 13, 1-15.