On the last day of 2021, Musk's statement was a little sad < p > < / P > < p > on the last day of 2021, musk, the world's richest man, made a statement, giving people a "sense of urgency" < p > in response to a tweet about "there are 936 startups with a valuation of more than $1 billion", musk said that if history can be used for reference, most startups will not be able to survive the next recession < p > when further asked when he thought the next economic recession would happen, musk said, "it is very challenging to predict the macro economy. My intuition is that the recession will come in the spring or summer of 2022, no later than 2023." < p > just about a month ago, musk said on twitter on November 30 that SpaceX might face bankruptcy during the next recession. The global economy is in a great recession, capital liquidity may be tight, and the cost of SpaceX is amazing. Although SpaceX is unlikely to go bankrupt, it is not impossible < p > in 2021, the net assets of the top ten rich will increase by about $400 billion, ranking first in musk. Its net assets have increased by 118 billion US dollars in the past year, becoming the richest man in the world. Musk's net assets increased by $121 billion this year is slightly lower than the increase of $140 billion in 2020. His wealth growth is mainly due to the rapid expansion of his electric vehicle manufacturing business. Tesla's shares rose about 50% this year, and the company's market value exceeded $1 trillion for the first time in October. Musk has recently been selling a large number of Tesla shares to pay nearly $12 billion in taxes this year < p > previously, former US Treasury Secretary summers warned that the US economy will face a severe test in the next few years, with the risk of recession and stagnation. Summers pointed out that it would be a good thing if the U.S. economy could continue to operate in a hotter way, but now inflation has reached a point where it is difficult to reduce without triggering an economic recession, just like the painful lesson of the 1970s. Summers pointed out that the risk of "long-term stagnation" still exists, or the situation during the great depression may occur, the economic growth rate will decline, and the interest rate will be lower than the historical normal level. In the coming years, long-term stagnation is a real risk < p > Goldman Sachs is also not optimistic about the future US economy. At present, the market unanimously expects GDP growth of 3.4% in the fourth quarter of 2021, and the median expectation of FOMC participants of the Federal Reserve Open Market Committee is 4.0%. Goldman's latest forecast, calculated in the fourth quarter, is 2.4% (or 3.5% for the whole year). Goldman Sachs believes that the slowdown in the first quarter of 2022 may be the most obvious, because the Omicron variant will affect the service sector and labor supply and exacerbate the disruption of the global supply chain. For 2022 as a whole, the main focus is the large-scale fiscal correction in the United States