Group 1 - The trade war initiated by the U.S. government, particularly through tariffs on imported furniture, has led to significant adjustments in the global supply chain, impacting Chinese furniture companies and U.S. home improvement giant Home Depot, which has seen a decline in net profit [1] - The book "Tariff Game" provides a comprehensive analysis of the historical and contemporary implications of tariffs as a tool for national power, highlighting the stark contrast between G20 tariff commitments and actual practices [2] - The complexity of the tariff landscape in 2025 is illustrated through various case studies, including the impact of U.S. tariffs on Canadian aluminum and Chinese graphite, which have forced companies to relocate production and adapt to new market conditions [3] Group 2 - The book proposes actionable solutions to break the cycle of "tariff-war-inflation-recession," including the Singapore variable tariff system and the exploration of new tax regimes for cross-border data flow [4] - The emergence of 3D printing technology and the growth of cross-border e-commerce, with transaction volumes exceeding $4 trillion, challenge traditional tariff systems and necessitate the development of a "tariff elasticity mechanism" [4] - "Tariff Game" serves as a key to understanding the dynamics of international relations in the 21st century, providing insights for policymakers and business leaders navigating the evolving landscape of global trade [8][9]

Core Insights - The book "Tariff Games" reveals the ongoing transformation of the global economic order through the lens of contemporary tariff battles, highlighting the critical economic conflicts of the 21st century [1] Group 1: Historical Context of Tariffs - Tariffs have been a symbol of national sovereignty since the establishment of Spain's "Million Tax" in the 15th century, serving as a tool for major powers in economic competition [2] - The book discusses historical cases such as the Spanish Empire, the British East India Company, and the Smoot-Hawley Tariff Act in the U.S. to illustrate how tariff policies have shaped economic hegemony [2] - The analysis extends to modern events like the breakdown of WTO Doha Round negotiations, the escalation of chip tariffs in the U.S.-China trade war, and the implementation of the EU's carbon border adjustment mechanism [2] Group 2: Three-Dimensional Tariff Game Model - The book introduces a "Three-Dimensional Tariff Game Model" to analyze tariff commitments and actual actions from a macro perspective, including G20 summit outcomes and regional agreements like RCEP and CPTPP [3][4] - It examines how multinational companies, exemplified by Tesla's Shanghai Gigafactory and the rise of manufacturing in Vietnam, leverage tariff differences to reshape global supply chains [4] - The micro perspective reveals the impact of tariff changes on small trade entities, using data from Yiwu's small commodity market and German SMEs [4] Group 3: Tariff Revolution in the Digital Age - The book highlights the unprecedented challenges to traditional tariff systems posed by the rise of cross-border e-commerce, which surpassed $4 trillion in annual transactions, and advancements in 3D printing technology [5] - It introduces the concept of "digital tariffs," analyzing emerging tax types like data flow taxes and algorithm patent taxes, which could lead to a restructuring of existing rules [5] - The conflicts between the EU's Digital Services Tax (DST) and the U.S. Section 301 investigations illustrate the new dimensions of tariff battles in the digital era [5] Group 4: Solutions to Tariff Conflicts - The book proposes practical solutions to break the cycle of "tariff wars-inflation-recession," including the establishment of a "tariff elasticity mechanism" inspired by Singapore's variable tariff system to address supply chain shocks [6] - It suggests creating a "digital tariff sandbox" to explore new tax paradigms for cross-border data flow in free trade zones [6] - The promotion of "tariff capacity building" aims to enhance the participation of developing countries in rule-making processes [6] Group 5: Broader Implications - "Tariff Games" serves as a key to understanding 21st-century international relations, especially as global supply chains undergo "de-risking" and geopolitical and economic interests intertwine [10] - The ongoing evolution of tariff battles will reshape perceptions of the global economic order for policymakers, business leaders, and readers interested in world dynamics [11]