The existence of multiple observations within several cross sections gives rise to both opportunities and problems in the application of regression analysis. In this article the issues associated with the decision of whether or not to pool the data for purposes of estimation are explored and examples of marketing applications are provided.
No takes yet. Share an insight, caveat, or question.
Bass et al. (1975) studied this question.
Synapse has enriched 3 closely related papers on similar clinical questions. Consider them for comparative context: