Editor’s note: This is the second in a two-part series examining the crisis of the global middle class. Part I examined the challenges facing the global middle class and the implications for international politics. Part II examines ways to strengthen the global middle class and avoid the potential dangers of economic polarization.

The damage done to the global middle class, while significant, is not irreparable. The solutions are as varied as the countries themselves, but they all share several key features that influence whether a consumer-driven economy will flourish or not. ...