Brad Setser Profile picture
Aug 22, 2019 5 tweets 2 min read Read on X
It is pretty clear that the U.S. tax reform had a large impact on the U.S. BoP data: FDI flows reversed in 2019, as U.S. firms brought back past investments).

But it also may be mucking around with the global data. The fall in inward FDI to the EA correlates with US tax reform
The fit isn't perfect -- the EA data indicates that investment from the US fell off before the tax reform, and I don't understand the mechanism why investment from others into the EA would fall with the US tax reform
the BoP math is sort of straight-forward:

the "reinvested" (tax deferred) earnings of US firms used to count as an increase in US FDI abroad. So when those funds are returned, US outward FDI falls.

and conversely inward FDI into places like the EA and Bermuda should fall
basically, tax avoidance under the old U.S. law led to a buildup of US FDI abroad (technically), and that is now reversing.

Some will say this is globalization going backwards, but in a real sense it is not ...
in any case, help understanding the EA data would be most appreciated -- outward EA FDI has also gone done it seems, so the net swing is more modest that the change in gross flows over the last 6qs

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More from @Brad_Setser

Feb 26
A day that was a long time coming -- TSMC's dominance of chip manufacturing led Taiwan to post a $70b quarterly current account surplus in q4. That is $280b annualized, or a surplus of ~ 33% of GDP

Never though that would be possible for a non-tax haven without oil

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And there is of course a capital flows story -- as the TWD depreciated in q4 in the face of this massive surplus (2x its level in 24), and Taiwan technically sold reserves too!

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For the year as a whole Taiwan's surplus was $180b (gulp, a sum not much smaller that the, artificially low to be sure, surplus that China was reporting mid 2024)! Reserve outflows and foreign bond purchases were only $20b each, leaving $140b to flow out in other ways

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Read 10 tweets
Feb 26
I actually don't think Mark and I are that far apart

(tho I wouldn't start by arguing that a BoP deficit is meaningless, as I certainly find value in some cuts of the balance of payments + get annoyed when the IMF ignores the components of the BoP)

1/
The most policy relevant question is whether the courts will strike down the 122 balance of payments tariffs & I think the answer to that is likely to be no, for the reasons that Peter Harrell (an actual lawyer) laid out today

2/

lawfaremedia.org/article/are-tr…
The court of international trade more or less invited a case in its initial IEEPA ruling (rejecting the notion that there no BoP deficits/ surpluses b/c everything ultimately balances) & it seems likely the courts will defer to the administration on what constitutes an international payments problem

3/
Read 17 tweets
Feb 25
This is a thread that only Adam Tooze, a few international economist and a couple of very well paid trade lawyers are likely to enjoy …

The basic question is what did Congress mean back in 1975 when they wrote about payments problems and balance of payments deficits

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It is clear from the Senate report on the legislation that the authors were concerned about trade and payments surplus countries (Germany and Japan at the time) & the equitable sharing of balance of payments adjustment responsibilities across surplus and deficit countries

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But the Senate report is written in the balance of payments equivalent of old English – it doesn’t use IMF BPM 6 standard terms. There isn’t much discussion of the current account, there is a lot of discussion of the official reserve balance and the net liquidity balance

3/
Read 22 tweets
Feb 24
The mandarins at the PBOC are in a difficult spot -- a faster pace of CNY appreciation against the dollar has convinced Chinese exporters to bring funds back home, and driven the need to buy $100b a month (give or take) to control the pace of appreciation ...

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What's more, the slightly faster pace of appreciation v the dollar only drives an appreciation in the inflation adjusted CNY if the dollar itself isn't depreciating v other currencies, and if the pace of appreciation is bigger than the inflation differential

2/
So unless China slows the pace of appreciation (and lets the rate differential incentivize offshore dollar holdings) it isn't clear how the PBOC can get out of an equilibrium that requires hefty monthly intervention

3/

ft.com/content/9ea52a…
Read 6 tweets
Feb 24
Great story in the New York Times highlighting the difficulties that the US government has faced in getting the world's most profitable companies to take supply chain security seriously, and reduce their exposure to a crisis in the Taiwan straights

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Seems like the median outcome for the US is that the efforts of Biden (CHIPS act) and Trump ("deals" negotiated with the threat of semiconductor tariffs) will just keep the US share of global chip production stable.

2/

nytimes.com/2026/02/24/tec…
it has been an uphill battle to convince firms to give up on the combination of TSMC's skill & low costs

"The U.S. tech industry has stubbornly refused to shift where it gets most of its chips, which power things like ... the giant data centers that run artificial intelligence."
Read 8 tweets
Feb 24
Me, in the Financial Times --

On the surge in China's intervention, and the impossibility of diversifying away from dollar assets/ Treasuries when the state banks are buying $100b a month in FX

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A statement from the heart --

The narrative around Treasury diversification that took hold after the Bloomberg story was a red herring. The real story was that Chinese intervention has surged and reached unprecedented levels

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There is no longer a correlation between the Treasuries held in US custodians and China's current account surplus -- or even with China's reserves.

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Read 13 tweets

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