楼主要是稍微做下解释会更好的~~

Product Description
Abel, Bernanke, and Croushore present macroeconomic theory in a way that prepares readers to analyze real macroeconomic data used by policy makers and researchers. With a balanced treatment of both classical and Keynesian economics, the comprehensive coverage makes it easy for instructors to align chapters to fit their own syllabi.

thank you very much

thanks !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

thanks for sharing