Kirin is a robust case involving multiple models. Kirin (a Japanese beer producer) is faced with expanding US sales where a competitor (Sapporo) outsells them. Kirin is contemplating introducing new products to boost sales but must determine 1) the target markets and 2) the product attributes that will appeal to each market segment.
A case study is deemed managerially complex when its solution is ambiguous, unclear, or requires extensive judgment calls; it is best suited for advanced students or executive education settings.
A case study is deemed technically complex when its solution requires extensive data manipulation, or when it requires to jungle with more than one marketing model.
Some case studies depict historical problems taking place decades ago. While graduate students and executive education participants have no problem with these cases, undergraduate students might find them dated.