Lecture, three hours. Requisite: course 405. Comprehensive introduction to macroeconomics, with focus on real-world applications and implications. Provides students--as future decision-makers in business world--with framework through which to analyze domestic and global macroeconomic fluctuations and trends that impact business environment. Study of models of long-run and short-run macroeconomy, economic growth and competitiveness, unemployment and inflation, and exchange and interest rates. Includes case studies such as domestic and global consequences of 2007 to 2009 Great Recession, 2020 COVID-19 shock and subsequent inflation, growth stagnations of USSR (1970s and 1980s) and Japan (1990s to present), and Latin American debt crises of 1990s. Letter grading.