Which of the following is NOT one of the four types of consumer products?

The classification of consumer products typically includes four main types: convenience, shopping, specialty, and unsought products. These categories reflect how consumers typically behave when purchasing different types of goods, focusing on factors such as purchase frequency, effort involved in making the purchase, and the characteristics of the products themselves.

Luxury products, while they may evoke a sense of exclusivity or high status, do not fit within these established categories. Instead, luxury items are often part of the specialty product category, indicating that consumers are willing to spend substantial time and effort to acquire them due to their unique qualities, brand reputation, or perceived value. On the other hand, convenience products are items consumers buy frequently with minimal effort, shopping products require more consideration and comparison, and specialty products are sought after for their distinct attributes.

Thus, identifying luxury products as not one of the four primary consumer product categories aligns with established marketing theories, focusing on how businesses can effectively market and set pricing strategies for these different product types.