Discussions use the newest data to highlight recent developments in international economics theory and policy. NEW and UPDATED - The following chapters provide a new or updated discussion of: The impacts of Brexit and COVID-19 (Chapter 7) Firms' global sourcing decisions and the new USMCA treaty (Chapter 8) US-China trade tensions (Chapter 10) The effects of the Trump trade war on global trade and the COVID-19 pandemic (Chapter 19) The Dec. 2020 EU–UK trade deal plus the prior withdrawal agreement and its implications for the Irish border (Chapter 21) Euro-area policy innovations in response to COVID-19 (Chapter 21) Learner-focused tools help them master the course material. NEW and UPDATED - Case Studies engage students with theory and real-world applications. New case studies examine the potential link between import competition from developing countries and declines in manufacturing employment in the US (Chapter 4), the gains to US consumers from Chinese imports (Chapter 6), and more. UPDATED - Special Boxes offer engaging, vivid illustrations and videos regarding points made in the text. New boxes discuss the impact of trade shocks on developing countries (Chapter 6), currency manipulation (Chapter 19), the global financial cycle (Chapter 22), and more.