You cannot have one without the other. The separate functions of marketing - selling, advertising, marketing research, new product development, customer service, and physical distribution, depend on operations to control cost, quality, delivery, and flexibility of product or service offerings. Therefore both operations and marketing stress cost and delivery management. Most products, as they enter the mature stages of their product life cycle, fall into this category. As this stage is often where the products become most profitable, the production concept is vital to all firms.
Efficiency is paramount.
The Selling concept holds that demand for a product will not be sufficient unless the firm makes a substantial effort to stimulate interest. Examples are high pressure tactics to sell cars and telemarketing. The objective is to make the sale. One disadvantage of the selling concept is that long-term customer dissatisfaction may lead to little or no customer loyalty. The Societal Marketing concept is similar to the marketing concept but also protects or increases the consumer's and society's well-being.