Pharmaceutical product market share estimation : full-factorial attraction model

Analyses market share for three pharmaceutical brands where two of the three products are present over the entire time span of the data, using the Attraction Model specifications. Estimates separate and joined models of pre- and post- new brand entry specifications utilising the base-brand approach and a new and innovative model called a Full-Factorial Attraction Model which re-conceptualises any product market share as a series of two-entity groups which reduces the impact of the number of brands on the competitive structure. In order to test for market structure changes after a new brand introduction, includes market structure dummy variables in the model specifications. Estimates all model specifications utilising the OLS and GLS estimation techniques. Source: National Library of New Zealand Te Puna Matauranga o Aotearoa, licensed by the Department of Internal Affairs for re-use under the Creative Commons Attribution 3.0 New Zealand Licence.