This EMEA edition of Robert Barro�s popular text has been fully updated to reflect the macroeconomics of a post-financial crisis world. Starting with long-run macroeconomics, this text explores some of the key theories and models in macroeconomics such as the Keynesian model and the business-cycle model, finishing with extending the equilibrium model to the open economy. This exciting edition, which has been fully updated by Professor Angus Chu and Professor Guido Cozzi, provides an accurate and unified presentation of current macroeconomic thought whilst maintaining Professor Barro�s original vision for his textbook.