Previous research on marketing budget decisions has shown that profit improvement from better allocation across products or regions is much higher than from improving the overall budget. However, despite its high managerial relevance, contributions by marketing scholars are rare. In this paper,...

This study describes a cross-sectional and time series analysis of sales data over one decade in four major segments of the market for cardiovascular drugs. We estimate over 200 product life cycles (PLC) using a very flexible mathematical model to account for a variety of PLC shapes. Life cycles...