表面增长难掩结构隐患：美国高生产率行业收缩，经济活力减退

Group 1 - The unemployment rate in the U.S. rose to 4.6% in November, marking the highest level in over four years, up from 4.4% in September [2][3] - The job market is showing signs of "high-frequency volatility and low-speed growth," with three months of net job losses in the past six months [3] - November saw an addition of 64,000 non-farm jobs, which was above the expected 45,000, but insufficient to offset previous job losses [4][3] Group 2 - Job growth is primarily occurring in low productivity or government-dependent sectors, while sectors representing economic vitality, such as manufacturing and professional services, are contracting [6] - Federal government jobs decreased by 6,000 in November and saw a significant drop of 162,000 in October, with a total reduction of approximately 270,000 since January [8][9] - The wage growth in the private sector fell to 3.5% year-over-year in November, the lowest in years, indicating that wage increases are not keeping pace with living costs [11][12] Group 3 - The current employment situation is characterized as "low-fire, low-hire," where companies are hesitant to make large layoffs or expand hiring, reflecting a cautious approach to seasonal employment and the testing of AI replacements [15] - The report suggests that the true state of the U.S. job market may be weaker than indicated, as the Federal Reserve has warned that current statistical models may overestimate job additions by about 60,000 each month [13][14] - The employment market is entering a dangerous phase, showing signs of cooling without a clear collapse, which could lead to a prolonged period of economic uncertainty [17]