大国博弈经济学框架之一：中美日房地产周期与居民债务周期比较

Group 1: Real Estate Cycles - Since 2015, China's real estate market has experienced a boom driven by rapid urbanization and synchronized fiscal and monetary policy, with residential average prices and new housing sales down 14.4% and 49.0% from peak levels respectively[3] - The U.S. real estate cycle from 2000 to 2011 saw home prices and new home sales peak at increases of 70.5% and 48.3% respectively, followed by declines of 26.1% and 76.0% during the adjustment phase[3] - Japan's real estate market peaked in Q1 1991 with a cumulative price increase of 47.7% over five years, followed by a decline of 43.3% by Q2 2007[4] Group 2: Debt Cycles and Consumption - The analysis indicates that a higher price-to-income ratio correlates with a longer duration of debt expansion slowdown, negatively impacting consumer spending, especially on discretionary items[2] - In the U.S., the macro leverage ratio peaked at 98.6% in 2007, a 27.9 percentage point increase from 2000, followed by a decline to 77% by 2015, reflecting a significant debt contraction[5] - Japan's consumer spending growth rate dropped significantly during its real estate downturn, with retail growth averaging around -0.5% from 1993 to 2007 due to persistent debt burdens and falling asset values[5] Group 3: International Comparisons - The report highlights a counterintuitive trend where countries with lower price-to-income ratios exhibit higher household leverage ratios, attributed to excessive financial liberalization and personal bankruptcy systems[5] - China's current household leverage ratio stands at 60.0%, showing stability compared to the peaks seen in the U.S. and Japan, suggesting a more resilient debt structure amid real estate adjustments[5] - The report suggests that China's real estate adjustment period may not see a significant decline in household leverage due to the absence of personal bankruptcy laws and a robust urbanization demand base[5]