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Open up the world of economics with Arnold/Arnold/Arnold's "Macroeconomics," 15th Edition. Discussions with memorable, everyday examples illustrate unexpected places macroeconomics occur. Students see how macroeconomic forces link to daily events, shaping life 24/7. New boxed 24/7 applications features deal with the historical past. This edition discusses AI and the economy, especially as it relates to innovation, prices and jobs. New content includes topics like tariffs, imports, economics of knowledge, intricacies of monetary policy and forward guidance, hyperinflation, equilibrium, challengers of debt and the Lucas critique. Economics in 5 Minutes and digital video lectures and features guide students through macroeconomic diagrams and building graphs. Customize content, integrate digital course management with MindTap and let students assess their understanding with A+ Test Prep.