The size of the U.S. middle class has been shrinking. Wages have been stagnant. We don't have those factory jobs that paid a living wage and enabled a family to have a home where the wife did not have to work. But we sent our factories abroad and there is no likelihood of getting them back. Equally worrisome is that some managerial jobs and professional jobs (such as lawyers) which support middle class life are threatened by automation.

I found marketing to be highly descriptive and prescriptive, without much of a foundation in deep research. I brought in economics, organization theory, mathematics, and social psychology in my first edition of Marketing Management in 1967. Today Marketing Management is in its 15th edition and remains the world's leading textbook on marketing in MBA programs. Subsequently, I wrote two more textbooks, Principles of Marketing and Marketing: an Introduction.

Good customers are an asset which, when wellmanaged and served, will return a handsome lifetime income stream for the company.

Watch the product life cycle; but more important, watch the market life cycle.

Strategy is indeed about choosing what not to do as well as what to do. A business unit needs to decide what need it aims to satisfy in what group of people and with what value proposition that distinguishes the business from its competitors.

Competitive advantage is a companys ability to perform in one or more ways that competitors cannot or will not match.

In working on any one problem, such as higher minimum wages, so many other issues come into play, such as some businesses possibly closing down, thus creating fewer jobs and more unemployment and incentivizing companies to import more goods from abroad, which leads to even less employment at home, and so on.