Macroeconomics is the study of the economy as a whole and of work and saving choices of individual economic agents from which macroeconomic activity emerges. This book takes an integrative approach to that topic, showing how short-run and long-run forces operate simultaneously to determine the behavior of key economic indicators such as employment and real, inflation-adjusted GDP. The first goal of macroeconomic policy is to bring real GDP into line with the maximum attainable potential real GDP—the level of real GDP at which there are enough jobs to provide employment for every person who wants to work and at which government has done all it can to eliminate disincentives for workers to seek jobs and for employers to offer them. The second...