Michael Pettis Profile picture
Oct 2, 2020 10 tweets 3 min read Read on X
1/10
I agree, Adam, that what happened in Japan is a very important story, but I would add that your graph shows Japanese government debt, which is only half the debt story. In the 1980s, when Japan was still growing quickly, private-sector debt grew more rapidly than...
2/10
Japanese government debt. In the 1990s, however, when Japanese GDP growth had pretty much dropped to zero, private-sector debt began to shrink as a share of GDP, just as government debt began its rapid growth.
tradingeconomics.com/japan/private-…
3/10
I think, in other words, that while there was growth in Japanese debt after 1990-92, there was also a lot of shifting of debt from private-sector to government balance sheets. The reason I think this is important is because of what it might tell us about China.
4/10
Until the early 1990s Japanese GDP growth – which was unbalanced towards investment rather than consumption, although not nearly to China's extent – had become heavily reliant on rising private and public sector debt. Because in the late 1980s much of this went to fund...
5/10
non-productive investment, the country's total debt-to-GDP ratio began to grow rapidly (when debt is used to fund productive investment, debt grows, but debt to GDP doesn't).

Once the growth in Japanese debt began to reach limits in the early 1990s, however, GDP mostly...
6/10
stopped growing.

After that Japan partially rebalanced at the same time that debt shifted from private-sector balance sheets to public-sector balance sheets. I think these two were related. The effective shifting of debt from private to public balance sheets may have...
7/10
been one way that income shifted to households. Their income grew more slowly than GDP before 1990s but more quickly after, which is perhaps why the collapse in Japanese GDP growth never seemed to bother Japanese households as much as you might otherwise have expected.
8/10
The implication for China is that it can maintain rapid GDP growth only as long as debt can rise much faster than GDP, but once the growth in debt slows, GDP growth must drop sharply. So far this probably isn't controversial, but what is more complicated is...
9/10
to understand what will happen next. Japan, I think, represents one way China can evolve, with a long period of very low growth as it shifts, rather than resolves, the debt burden.

In the end resolving the debt burden just means recognizing and allocating...
10/10
the costs of writing it down, which is politically painful. Shifting it onto government balance sheets is a way of spreading out the allocation of costs over a very long period, although this may come at the cost of much slower growth.

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More from @michaelxpettis

Feb 13
1/5
The New York Fed finds that "U.S. firms and consumers continue to bear the bulk of the economic burden of the high tariffs imposed in 2025."
libertystreeteconomics.newyorkfed.org/2026/02/who-is…
2/5
That is exactly how it should be. Tariffs are effectively a tax on consumption and a subsidy to production (of tariffed goods). They work by transferring income from households (net importers) to producers of tradable goods.
3/5
The idea that Trump's tariffs would be paid for by foreigners was always nonsense. If they were, as I have often pointed out, they would have little to no impact on trade flows or on American deindustrialization.
Read 5 tweets
Feb 13
1/7
My latest piece was written for friends who are EU policymakers or advisors. In it I argue that there is a difference between an inefficient manufacturing sector and a globally uncompetitive manufacturing sector. We shouldn't conflate the two.
engelsbergideas.com/notebook/europ…
2/7
A country's manufacturing sector is not globally uncompetitive because it is inefficient, but rather because its wages are higher relative to productivity than those of its trade partners.

Efficiency is about how effectively an economy uses resources to create value.
3/7
Global competitiveness, by contrast, depends largely on how income is distributed within an economy.

This leaves the EU with two options if it wants to prevent domestic deindustrialization.
Read 7 tweets
Feb 11
1/6
According to Greg Ip, in the US economy today, "rewards are going disproportionately toward capital instead of labor. Profits have soared since the pandemic. The result: Capital is triumphant, while the average worker ekes out marginal gains."
wsj.com/economy/jobs/c…
2/6
And as Marriner Eccles, FDR's Fed chairman, explained in the 1930s, this creates a dangerous illusion. The extent of business profits depends almost wholly on the purchasing power of ordinary people, which in turn depends on wages.
3/6
In a rapidly-growing developing economy, with huge unmet investment needs, it may be possible (even necessary) for profits to rise faster than wages because the resulting rise in saving can be deployed to productive investment.
Read 6 tweets
Feb 10
1/5
Reuters: "The EU should consider either an unprecedented 30% across-the-board tariff on Chinese goods or a 30% depreciation of the euro against the renminbi to counter a flood of cheap imports, a French government strategy report said on Monday."
reuters.com/world/china/fr…
2/5
I think it's only a question of time before the EU will intervene in its external account to protect its manufacturing sector, just as China has done for decades and the US is increasingly trying to do. It can implement all the reforms that have been proposed to improve...
3/5
the efficiency of its manufacturing, but while these reforms may indeed do just that, they won't improve Europe's competitive position.

This may sound counterintuitive at first, but I have a piece coming out soon in Engelsberg Ideas explaining why.
Read 5 tweets
Feb 10
1/11
SCMP: "China’s potential growth rate could fall to about 2.5 per cent in the coming years unless action is taken, prominent Chinese economist Zhou Tianyong has warned."
sc.mp/itwrt?utm_sour…
2/11
“Without a strong turnaround in total factor productivity and a meaningful expansion in household consumption, it will be difficult for China’s economic growth to reach 4 per cent or higher,” he added.
3/11
A 2-3% growth rate is becoming an increasingly popular reference growth rate for Chinese analysts. I'd argue that over the past several years, 2-3% has actually been the upper limit of growth once we strip out the "positive" impact of not recognizing bad investment.
Read 11 tweets
Feb 4
1/8
Jason Furman: "A weaker dollar may improve the economy’s long-run balance, but it does so by forcing Americans to cut back on spending. That is like telling children to eat more spinach today so they will be healthier in the future."
nytimes.com/2026/02/03/opi…
2/8
Furman is right. Currency appreciation reduces consumption costs in the short term by making imports cheaper, but in a hyperglobalized world, it also undermines domestic manufacturers by making them less competitive against foreign manufacturers.
3/8
Academic economists (mainly in the US) will argue that this is a good thing because the goal should be to maximize consumption, but the only sustainable way to maximize consumption over the longer term is to maximize production.
ft.com/content/89110b…
Read 8 tweets

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