Andrew B. Abel & Ben S. Bernanke 
Macroeconomics, Global Edition [PDF ebook] 

Macroeconomics presents macroeconomic theory in a big-picture way. The text focuses on a single model, to provide you with a clear understanding of macroeconomics and its classical and Keynesian assumptions. Comprehensive coverage helps you analyze real macroeconomic data that real policy makers and researchers use. The 11th Edition features new coverage, applications, and problems throughout. It also reflects recent events and developments in the field, such as the recent COVID-19 pandemic and the tools used by the Federal Reserve in response.