1. Different contents: Compared with the seventh edition, the eighth edition of Man Kun Economics has increased the discussion on behavioral economics, involving how people make decisions and the influence of psychological factors in the economy. The new edition also increases the discussion on emerging market economies and introduces some new cases and materials.

2, the difficulty is different: some chapters in the seventh edition put more emphasis on calculation and table use; The eighth edition reduces the frequency of algorithms and formulas, and the more important concepts and principles are explained with intuitive charts, graphs and examples, which is less difficult.