Question

What are the main behavioural models used to understand how customers make buying decisions? How are these models useful for marketing?

27 Jan 2026
Answer :
Word Count : 991
Understanding how customers make buying decisions has been a central concern of marketing, especially in the context of financial services where products are intangible, complex, and often involve high perceived risk. To explain consumer behaviour, marketers rely on several behavioural models that describe the psychological, social, and economic processes influencing purchase decisions. These models help marketers predict customer responses, design effective strategies, and build long-term relationships with consumers. One of the earliest and most influential models is the Economic or Rational Model. This model assumes that consumers are rational decision-makers who seek to maximize utility while minimizing cost. Buyers are presumed to have complete information, clear preferences, and the ability to evaluate alternatives logically before making a choice. In financial services, this model is reflected in situations where customers compare interest rates, returns, fees, and risks before selecting products such as bank deposits, loans, or insurance policies. Although real-world behaviour often deviates from pure rationality, this model is useful for marketers in pricing financial products, highlighting quantitative benefits, and presenting clear comparisons that appeal to logic-oriented customers. The Stimulus–Response Model, also known as the Black Box Model, explains consumer behaviour as a reaction to marketing stimuli and environmental factors. According to this model, marketing inputs such as product features, price, promotion, and distribution, along with social, economic, and cultural influences, enter the consumer’s “black box,” which represents the buyer’s characteristics and decision-making process. The output is the purchase decision. In financial services marketing, this model helps institutions understand how advertising messages, brand reputation, regulatory environment, and economic conditions influence customer choices. By managing stimuli effectively, marketers can shape favourable responses even when the internal decision process is
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