Which of the following is NOT one of the four elements of the marketing mix?

The concept of the marketing mix is often framed around four key elements: Product, Price, Place, and Promotion. These elements work together to effectively market a product or service.

In this context, the inclusion of "Product," "Price," and "Promotion" directly aligns with established components of the marketing mix. Each of these elements plays a crucial role in the development of a marketing strategy. "Product" refers to the goods or services being offered, "Price" involves the cost at which the product is sold, and "Promotion" encompasses the tactics used to inform and persuade the market about the product.

While "People" is an important aspect of marketing, particularly in services marketing where the interaction of staff with customers can significantly impact the customer experience, it is not one of the traditional four elements of the marketing mix. This distinction clarifies why it is the correct answer in identifying what is NOT included in the classic model of the marketing mix.

Understanding these core components helps businesses structure their marketing strategies effectively and ensures that all necessary aspects are addressed for successful market engagement.