The negative binomial distribution (NBD) has been widely used in marketing for modeling purchase frequency counts, particularly in packaged goods contexts. A key managerially relevant use of this model is Conditional Trend Analysis (CTA)—a method of benchmarking future sales utilizing the NBD...

This research examines long-term loyalty change in a wide variety of FMCG categories in the UK and the USA, over time periods ranging from six to thirteen years. The study uses three loyalty measures: polarization index (φ), average brand share of requirements (SCR), and average repertoire...

Preference for water quality and its nonmarket valuation can be used to inform the development of pricing policies and long term supply strategies. Tap water quality is a household concern. The objective status quo of water provision varies between households and not between individuals within...