"Obama believes better policies can create more economic growth. ('I do believe we can grow a lot faster than we’re growing right now.') More growth means more income for everybody—gains for the poor don’t need to come entirely at the expense of the rich.
"Sanders, on the other hand, presents the political struggle as a zero-sum conflict. He sees economic growth as almost irrelevant:"
Jonathan Chait in New York contrasts the economic ideologies of Barack Obama and Bernie Sanders.