What Do We Fix? (Econ)

Based on the introduction to Ha-Joon Chang’s book 23 Things They Don’t Tell You About Capitalism and his RSA presentation below, there might be something wrong with our economic system. As students, however, what do we need to know about economics, capitalism, and western culture in order to fix what Chang perceives as broken? Is our economic system broken at all? Please ignore the first few minutes of his talk – he is somewhat fixated on the title of the book!