A service operation is an open transformation process of converting inputs (consumers) to desired outputs (satisfied consumers) through the appropriate application of resources (family, material, labor, information, and the consumer as well). More simply, services are economic activities that produce time, place, form, or psychological utility. A meal in a fast food restaurant saves time. A meal with a date in an elegant restaurant with superior service provides a psychological boost. Wal-Mart attracts millions of customers because they can find department store merchandise, groceries, gasoline, auto service, dry cleaning, movie rental, hair styling, eyeglasses and optical services, and nursery items all in one place.
The U.S. economy consists of sectors producing goods and services. The goods-producing sector