Titlebook: Building Models for Marketing Decisions; Peter S. H. Leeflang,Dick R. Wittink,Philippe A. N Book 2000 Springer Science+Business Media Dord

圣人

Implementation criteria with respect to model structuree should ideally satisfy in order to stand a good chance of being implemented. The likelihood of model acceptance depends also, as indicated in Chapter 4, on other criteria which have little or nothing to do with model structure. We consider those other criteria in Chapter 19.

莎草

Modeling competitionof the (early) 1980s and (early) 1990s was characterized by minimal growth in many markets. Further, a higher rate of new-product introductions and reactions to new entries2 may result from as well as contribute to a higher intensity of competition.

填滿

Book 2000g decisions. It has long been known that simple models usually outperform judgments in predicting outcomes in a wide variety of contexts. For example, models of judgments tend to provide better forecasts of the outcomes than the judgments themselves (because the model eliminates the noise in judgmen

手段

Introductionk”. Instead, it elaborated on the following steps in the model-building process: specification, estimation, validation, and use of the model. In the current book we maintain the focus on these steps, with the aim to contribute to the increased implementation of marketing models.

Compassionate

不發(fā)音

Hyperalgesia

膠狀

出處

Specifying models according to level of demandstinctions can be made between segments, regions, etc. In this chapter we concentrate on aggregate demand models for the three classes of demand functions, mentioned above. In Section 9.2, we discuss product class sales models.

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