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Explore today’s economy with Arnold/Arnold/Arnold’s “Macroeconomics,” 15th Edition. Updated to reflect emerging technologies and global change, this edition expands coverage of tariffs, monetary policy, AI’s impact on the workforce and price levels, along with historical and current events—all while maintaining the clarity students want and trust. With 46 real-world applications and “Economics 24/7” features, students see how macroeconomic concepts apply to everyday life. MindTap enhances learning with new Data Exploration Activities, live data from the FRED database and Bureau of Labor Statistics, along with new AI in Action activities powered by Bongo. Video lectures, “Economics in 5 Minutes,” and “Problem Walk-Throughs" build confidence, while A+ Test Prep supports ongoing practice.