Parameters of the Bass Model in Several Product Categories InnovationImitation Product/parameter parameter Technology (p)(q) B&W TV0.0650.335 Color TV0.0210.583.

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Parameters of the Bass Model in Several Product Categories InnovationImitation Product/parameter parameter Technology (p)(q) B&W TV Color TV Room Air conditioner Clothes dryers Ultrasound Imaging CD Player Cellular telephones Steam iron Oxygen Steel Furnace (US) Microwave Oven Hybrid corn Home PC Average value of 0.03 for p and an average value of 0.42 for q, taken across a couple of hundred categories.

Slides 1&2 don’t even agree??!! InnovationImitation Product/parameter parameter Technology (p)(q) B&W TV Color TV Room Air conditioner Clothes dryers Ultrasound Imaging CD Player Cellular telephones Steam iron Oxygen Steel Furnace (US) Microwave Oven Hybrid corn Home PC A study by Sultan, Farley, and Lehmann in 1990 suggests an average value of 0.03 for p and an average value of 0.38 for q.

Use Established Parameters as Estimates by Analogy… e.g., demand for HDTV? Product group p (coef-innovat) q (coef-imitation) 1) e-toothbrush, fire extinguisher slow cooker, hair dryer, trash compactor, 2) e- can opener, cd’s, curling iron, e- blanket, heating pad, knife sharpener, lawn mower, waffle iron 3) blender, deep fryer, food processor, microwave oven 4) color tv, refrigerator, vcr ) calculator, digital watch

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