李迅雷：全球经济步入债务驱动时代 | 立方大家谈

Group 1 - The global macro leverage ratio has been continuously increasing, primarily driven by government leverage, with total global debt exceeding 350% of GDP [2][5][6] - Major economies like the US, Japan, and China have shown a trend of increasing government leverage while corporate and household leverage remains stable or decreases [5][12][41] - The US government debt interest payments are projected to exceed $1 trillion for the first time, highlighting the growing fiscal pressure [41][42] Group 2 - The structure of leverage in major economies indicates that government departments are increasing their debt levels, while businesses and households are more cautious [5][9][12] - Japan's government has maintained a high leverage ratio, yet its economy has struggled with long-term stagnation despite significant fiscal stimulus [9][12][41] - China's government leverage has risen rapidly post-pandemic, contrasting with the declining leverage in many developed countries [12][35][41] Group 3 - The increasing reliance on debt to stimulate economic growth raises concerns about the sustainability of this model, as investment returns decline [45][46] - The need for effective fiscal policy is emphasized, with suggestions for improving the efficiency of government spending and addressing social welfare needs [57][58][59] - The demographic challenges, particularly aging populations, are driving up social security expenditures, necessitating higher government spending [33][35][41]