——基于三大框架的定量思考：国债到底贵不贵？

Group 1: Macroeconomic Framework - The ten-year government bond yield reflects the risk-free rate of a country and should correspond to the country's economic growth and investment returns[1] - Prior to unconventional monetary policy, a nominal GDP growth of 4%-5% typically corresponds to a ten-year bond yield of 2%-5%[2] - Currently, China's nominal GDP growth is approximately 4.2%, while the ten-year bond yield is around 1.85%[4] Group 2: Supply and Demand Perspective - The increase in the corporate-resident deposit gap indicates strong demand for funds in the real economy, leading the ten-year bond yield by about one year[9] - The non-bank investment gap has been rising since October 2024, suggesting an increase in financial institutions' risk appetite, which leads the ten-year bond yield by about six months[9] - The corporate-resident deposit gap has risen by 9% over the past year, indicating a higher probability of an increase in the ten-year bond yield[9] Group 3: Policy Perspective - As of 2022, 2023, and 2024, the ten-year bond yield has declined more than the policy rate by 12bp, 38bp, and 30bp respectively, indicating limited further downward space for yields[10] - The current expectation of unconventional monetary policy for 2025 has cooled, suggesting a gradual return of the ten-year bond yield to normal levels[3] - Historical experience shows that during periods of government-led leverage increases, the probability of significant interest rate hikes remains low[11]