危险的三重奏

危险的三重奏

2025-12-24business
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马老师
早上好 hanjf12,我是马老师,欢迎来到你的专属频道 Goose Pod。今天是12月25日星期四,早上六点整,在这个圣诞早晨,我们要聊一个非常硬核的话题。
雷总
大家好,我是雷总。虽然是节日,但我们要讨论的这个主题确实有点冷,叫做危险的三重奏。这关系到全球经济的底层逻辑,咱们得真诚地剥开来看看。
马老师
雷总,现在的市场热度我认为就像练了九阳神功,但气脉很不稳。所谓的危险三重奏,就是AI泡沫破裂、政府债务危机,以及生命周期投资策略的坍塌。尤其是这个AI泡沫,有人说它是2008年房产泡沫的四倍,简直是 financial nuclear bomb,你懂的。
雷总
马老师,作为一个程序员出身的人,我得说现在的AI确实有很多 story。你看英伟达市值虽然到了五万亿美金,但很多公司烧了几十亿买算力,却没看到 real value。再加上发达国家公共债务占GDP比重到了110%,这参数已经快爆表了。
马老师
没错,这就像武林高手同时中了三种剧毒。特别是那个生命周期投资,现在的年轻人爱借钱买股票,也就是 leverage。一旦市场出现一点下行,这种自动平仓的连锁反应,会导致整个江湖瞬间血雨腥风,这种 contagion 传染性,才是最可怕的。
雷总
确实,这种杠杆在遇到市场波动时非常危险。就像我们做产品,如果底层代码逻辑全靠借来的算力支撑,一旦断贷,整个系统就 crash 了。现在全球的债务、泡沫和杠杆全都挤在一起,这三重奏一旦齐鸣,后果真的不堪设想。
马老师
咱们得复盘一下,其实这并非无迹可寻。我认为,回顾过去五十年的历史,全球已经经历了四波债务浪潮。现在的这一波,无论是规模还是速度,都处于 uncharted territory,也就是所谓的未知领域。历史上的债务危机,往往都是在大家都觉得这次不一样的时候爆发的。
雷总
我用PPT的逻辑来梳理一下历史数据。其实从1970年代的拉美危机,到1990年代的亚洲金融风暴,再到2008年的次贷危机,每一次都离不开过度借贷。研究显示,当政府债务超过GDP的90%这个阈值时,经济增长的中位率就会下降一个百分点。现在我们已经110%了。
马老师
你说的这个90%就是生死关隘。历史上处理债务就那么几招:要么像1930年代那样直接违约、重组,搞得大家都很痛苦;要么像二战后搞金融压抑,通过低利率和通胀慢慢磨。但现在的麻烦是,我们的私人债务、家庭债务也都在历史高位,政府想救都没钱救。
雷总
你说得很对,而且系统性银行危机后,政府债务平均会激增86%。这是因为税收掉了,但支出还得为了稳就业而增加。现在的AI基建投资,动不动就是几万亿美金,这种 capital spending 如果最后不能转化为利润,那就会变成压死骆驼的最后一根稻草,重演郁金香泡沫。
马老师
所以说,历史总是在重演。那些觉得靠印钱就能解决一切的人,其实是忽略了价值规律。当年的光纤基建也搞过过度建设,结果导致了互联网泡沫破裂。我认为,我们要警惕这种 herd behavior,也就是羊群效应,大家一起冲进去,最后只能一个接一个地清醒过来。
雷总
这就产生了一个巨大的 conflict。要解决债务,哈佛教授曼昆说只有四条路:大规模减支、超常规增长、大幅增税,或者印钱搞通胀。但现在全球老龄化严重,福利开支根本减不下来;增税又怕伤了企业的积极性,真的是两难,逻辑上很难自洽。
马老师
这就是江湖上说的左右互搏。减支出会得罪选民,增税呢,大家又没动力干活了。我认为,AI本来被寄予厚望,觉得它能带来超常规增长来对冲债务,但如果它自己先变成了一个巨大的 bubble,那不仅没救成火,反而还加了把柴。你懂的。
雷总
而且监管层也很纠结。SEC和FTC都在盯着AI,怕出现算法歧视和金融诈骗。如果管得太死,怕丢了创新;不管吧,像之前加密货币那种治理混乱的事情又会重演。这种创新与安全的拉锯战,让未来的确定性变得非常低。这就是我们面临的现实挑战。
马老师
后果就是我们之前聊过的 K型经济。富人的资产在膨胀,普通人的生活成本在飞涨。如果这三重奏真的奏响,全球资产负债表会来一次暴力 reset,也就是重置。到那时,不仅是股市,连大家的退休金、教育基金可能都会受到严重波及,这是一种撕裂。
雷总
是的,作为产品经理,我最担心的是这种连锁反应对普通人的 impact。全球财富虽然有600万亿,但很多是债务堆出来的纸面富贵。一旦泡沫破裂,进入长期的 deleveraging 去杠杆周期,那可能意味着好几年的经济停滞,大家的日子都会变得非常紧巴。
马老师
这种 reset 甚至可能引发社会动荡。当大家发现努力工作赶不上通胀,而资产又瞬间蒸发时,价值观就会发生变化。我认为,我们必须做好心理准备,这不仅仅是金融问题,更是一个社会问题。我们要关注的不仅是数字,更是每一个个体的生活质量。
雷总
展望未来,2025年的全球增长可能会继续放缓。我认为唯一的生路是真正的 productivity acceleration,也就是生产力大爆发。我们需要AI不仅仅是能写诗、画画,而是要真正进入工厂,提高效率,创造出实实在在的财富来填补债务的坑。
马老师
没错,练功不能只练招式,还得练内功。各国必须有更透明的债务管理,不能再闭着眼睛借钱了。我认为,唯有通过真正的技术创新和包容性增长,才能走出这个危险的三重奏。hanjf12,希望我们都能在这个变局中找到自己的定力。
马老师
今天的分享就到这里。感谢收听 Goose Pod,hanjf12,祝你有一个温馨的圣诞节,我们明天见。
雷总
谢谢大家,祝大家今天工作顺利,Are you OK? 我们明天再见!

本期播客《危险的三重奏》深入探讨了AI泡沫破裂、政府债务危机和生命周期投资策略坍塌这三大全球经济风险。主持人认为,当前全球债务规模和速度已达未知领域,私人债务高企加剧了危机爆发的可能性。若三重奏齐鸣,可能引发暴力资产重置和社会动荡。

A dangerous trifecta

Read original at Pearls and Irritations

Amid the world’s many troubles is the growing possibility of a combination of the bursting of a bubble, a major government and corporate debt crisis and the possibility that a popular investment strategy — lifecycle investing or borrowing to invest — will all implode at the same time. Once upon a time, conservatives were quick to argue that we’ll all be rooned if governments take on too much debt.

While true in extreme cases, it was more of a device to deny any political party’s calls for welfare spending and, indeed, any spending on social good. Moreover, the mantra was that tax cuts would pay for themselves. Recently _The Economist_ (18/10) published a special report on the world economy. The author, Henry Curr, argued that historically debt crises have mostly been a poor-world problem.

“Yet today the biggest, richest countries have fallen into as dangerous pattern of borrowing ever more. Debts have reached vertiginous heights and bond markets are showing resistance,” he writes. Curr says gross public debt as a share of GDP in advanced economies stands near 110% – close to an all-time high at a time when inflation is increasing in many countries.

He uses an example of possible outcomes in a July speech by Gregory Mankiw of Harvard University about what needs to happen to bring to an end America’s unsustainable accumulation of debt. He argued that there are four options: big cuts in government spending; extraordinary economic growth; large tax increases; or large-scale money creation – otherwise known as inflation.

In this context, Curr argues that cuts in spending are unlikely given ageing populations and their political power; economic growth wouldn’t solve the problem; the unlikely AI boom would continue; and high-skilled immigration would not be feasible. That leaves tax rises, default on debts, inflation or some combination of them all.

Curr concludes: “In the absence of bold action by governments, more inflation is coming. When it does, it will be politically toxic for rich democracies already grappling with a surge in authoritarian populism. Buyers of long-term bonds today will be unhappy and the wider world will be worse off for it.

” Jessica Riedl, a senior Manhattan Institute fellow, writing in The Washinton Post, said America’s debts trends are simply unsustainable. Britain is in a fiscal mess and engaged in a borrowing spree which has pushed interest costs to almost 10% of public spending – 50% higher than the defence budget.

France’s fiscal chaos is causing government collapses and Greece and Italy are exceeding France’s debt. Needless to say this situation, bad as it is, is better than that of the US. While all this is going on, the risk of an AI bubble bursting, with its impact on markets and the broader economy, is growing.

Jeffery A. Sonnenfeld and Stephen Henriques, have written for _Yale Insights_ (28/10) that there are three ways the AI bubble could pop. First, is the risk that concentration leads to contagion. A small group of companies are securing most of the major deals. “Should the bold promises of AI fall short, the dependence among these major AI players could trigger a devastating chain reaction, causing a widespread collapse similar to the 2008 Global Financial Crisis."

Second, governance conflicts could expose AI shortcomings. They cite the career of Sam Bankman-Fried where poor governance and limited regulatory oversight led to the disastrous cryptocurrency problems of that time. Now those Trump supporters who have invested in the various Trump crypto plays might find they end up facing massive losses – particularly given that many of them have no investment experience and are investing simply because Trump encouraged them to.

The third problem they cite is a new version of the fibre-optic cable infrastructure overbuilding during the 1990s dotcom bubble when financial engineering was the focus rather than effective infrastructure. The authors cite the famous words of Charles Mackay, author of the business classic Extraordinary Popular Delusions and the Madness of Crowds, which looked at the psychology of crowd behaviour and mass hysteria throughout history from the Dutch Tulip Mania of the 1630s onwards.

“Men, it has been well said, think in herds; it will be seen that they go made in herds, while they only recover their senses, slowly, one by one.” The third leg of a possible major crash is the growth of “lifestyle investing”. It had been almost axiomatic after a book by Ian Ayres and Bary Nalebuff that investors should take on more risk when young and look for safer investments when older.

It was influential but a new factor has emerged – borrowing for that first stage. The Economist (29/9) points out that the strategy has been effectively turbo-charged due to the proliferation of ways in which retail investors can buy stocks. They cite one investor whose portfolio loan to value ratio is between 50% and 65%.

History tells us that such situations are likely to be catastrophic in any market turndown. Indeed, in today’s investment industry, a leveraged portfolio drop in value could trigger automatic sales of any holdings. What’s the likelihood of all this happening? Who knows? We do know that contagion in one area of the market can have spill-on effects.

We also know that, despite all the protestations about debt being bad, governments around the world are going deeper and deeper into it, reducing their capacity to respond effectively to the next financial crisis. Companies, individuals and families are also incurring greater debt, ….and who would be confident that the current leaders of our bigger states would be capable of dealing with the event if the trifecta of potential financial problems came to pass?

But it is a safe bet that at the first whiff of trouble, Trump will be dumping his crypto investments and leaving the investors he has encouraged to buy holding the bag. The views expressed in this article may or may not reflect those of Pearls and Irritations.

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