The American Dream: If you work hard you can marry, own a home, raise and educate your children, and decades later retire and not live in poverty. With each generation, the middle class would live a better life than their parents did because each generation’s productivity improved.

America’s gross domestic product measures our nation’s wealth production.

Middle-class wages make up a share of the nation’s total wealth. As productivity increases, so does a nation’s wealth.

When the middle class receives…