策略专题：康波周期系列2：百年贸易战的比较研究

Group 1: Economic Context - The Kondratiev wave signifies the long-term cycles of the world economy, marked by the rise and fall of great powers, with the 1930s trade war reflecting the economic dynamics of that era[1] - In the 1930s, the U.S. was a trade surplus and creditor nation, while the U.K. was a trade deficit and debtor nation, a reversal of roles seen today with China as a creditor and the U.S. as a debtor[11] - Current global trade accounts for 30% of GDP, significantly higher than the 4-5% in the 1930s, indicating a deeper integration of the global economy[11] Group 2: Currency Dynamics - The decline of the British pound in the 1930s was due to economic decline, depleted gold reserves, and debt defaults, paralleling current challenges faced by the U.S. dollar[2] - The U.S. government debt exceeds 120% of GDP, with interest payments over 3% of GDP, raising concerns about the dollar's stability[11] - Gold prices increased from $17 to $35 per ounce between 1931 and 1934, reflecting the depreciation of fiat currencies during monetary system transitions[31] Group 3: Tariff Impacts - The economic impact of tariffs today is expected to be greater than in the 1930s due to the higher global trade integration, with tariffs potentially affecting employment and income levels[3] - Historical data shows that tariffs in the 1930s did not significantly raise inflation in deficit countries, suggesting that current tariff impacts may also be limited in terms of price levels[3] - The U.S. trade deficit is projected to exceed $900 billion in 2024, with a significant portion attributed to China, highlighting ongoing trade tensions[25] Group 4: Policy Responses - The U.S. response to the Great Depression involved abandoning the gold standard and expanding the money supply, a strategy mirrored by China's recent dual monetary and fiscal easing policies[4] - Current U.S. tariff policies may lead to a fragmented trade system, similar to the 1930s, as countries seek to establish trade agreements independent of U.S. influence[4] - The political demand for tariffs is driven by widening wealth gaps, with historical parallels drawn to the 1930s when similar economic pressures led to protective measures[4]