“…a must-read for serious students of economic policy.” - Glenn Hubbard, Dean, Columbia Business School, and former Chairman of the Council of Economic Advisers
“Unintended Consequences is far smarter and more thought-provoking than most economics written for the general public” - Greg Mankiw, Harvard University, Former Chairman of the Council of Economic Advisors
“Unintended Consequences represents the most cogent and persuasive analysis of the Financial Crisis to date.” - Andrei Shleifer, 1999 John Bates Clark Medal Winner
“Unintended Consequences is full of substance, it is one of the must-read books of the year, and once I finish it I will be giving it a second read through right away.” - Tyler Cowen, Professor, George Mason University
“…a comprehensive explanation of the modern economy.” - Julian Robertson, Founder, Tiger Management
“Unintended Consequences should be read by anyone who takes for granted the superiority of progressive taxation and has not thought carefully about the trade-offs involved.” - The New Republic
“A full-throated defense of economic dynamism.” - The Wall Street Journal
“…a comprehensive explanation of the modern economy.” - Julian Robertson, Founder, Tiger Management
“…a fresh argument for the productive value of inequality.” - David Autor, Professor of Economics, Massachusetts Institute of Technology
“…reminds us that inequality sends a signal of what society lacks most, in America’s case, entrepreneurship and risk taking.” - Lawrence Lindsey, CEO, The Lindsey Group, former Director of the National Economic Council
“…a very valuable contribution.” - Larry Summers, former Secretary of the Treasury and director of the National Economic Council, president emeritus, Harvard University
“…reminds us that inequality sends a signal of what society lacks most, in America’s case, entrepreneurship and risk taking.” - Lawrence Lindsey, CEO, The Lindsey Group, former Director of the National Economic Council
AI Summary.Foreign investors made a record $942bn in net purchases of US stocks and investment fund shares over 12 months, the highest rolling 12-month total in Treasury data going back to 1985. Foreign demand for US debt securities moved in the opposite direction, falling to a net $188bn in the second quarter from $314bn in the first.
Michael Taffe and George SteerFinancial Times
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Foreign investors bought a record net $426B of US equities and fund shares in Q2, up 62% y/y, part of a record $942B in the 12 months through July. Overseas investors bought a net $188B of US debt securities in Q2, down from $314B in Q1.
Are foreign investors shifting from US debt into US stocks?
Core argument: Foreign investors made a record $942bn in net purchases of US equities and investment fund shares in the 12 months to July, the highest rolling 12-month total in Treasury data going back to 1985.
Foreign investors made a record $942bn in net purchases of US equities and investment fund shares in the 12 months to July, accelerating a shift in overseas investment towards American stocks and away from debt. The flows represented the highest rolling 12-month total in Treasury data going back to 1985. Net purchases of US equities and investment fund shares by foreign investors jumped to $426bn in the second quarter, up 62% from the same period in 2025, and surpassing the previous quarterly record of $299bn in 2022, according to the Bureau of Economic Analysis. Foreign demand for US debt moved in the opposite direction. Overseas investors bought a net $188bn of US debt securities in the second quarter, down from $314bn in the first.
Takeaways by Macro Roundup® AI
Foreign investors made a record $942bn in net purchases of US equities and investment fund shares in the 12 months to July, the highest rolling 12-month total in Treasury data going back to 1985.
Net foreign purchases of US equities and investment fund shares reached $426bn in the second quarter, up 62% from the same period in 2025 and above the prior quarterly record of $299bn in 2022, according to the Bureau of Economic Analysis.
Overseas investors bought a net $188bn of US debt securities in the second quarter, down from $314bn in the first.
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Foreign Investors Prefer US Stocks To Treasuries As Debt Worries Grow— International flows into US stocks averaged 2.8% of US GDP over a year, overtaking flows into US Treasuries at 2% of GDP for the first time this century outside brief episodes during the Covid-19 pandemic and after the global financial crisis, according to Deutsche Bank analysis of US Treasury data.
A Catalyst For The AI Bubble Break— Historically, controlling for valuations, a 1% rise in the share of the market represented by initial public offerings has been associated with roughly a 4% decline in prices. With large artificial-intelligence company listings expected and share issuance exceeding buybacks, equity supply could shift from shrinking about 1% a year to growing near 5%, implying returns roughly 20% below average.
AI Summary.China's export boom shows signs of cresting, with year-over-year growth leveling off at roughly 24-27% in US dollar terms, and memory chips now the biggest single swing factor for exports. Total export growth is expected to converge toward the recent trend for non-artificial-intelligence products of about 5-7%.
Andrew BatsonGavekal
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Andrew Batson argues that as the memory-chip price cycle’s impact on Chinese export growth fades, export growth in renminbi terms in 2027 “will most likely converge toward the recent trend for products outside the AI complex, which is around 5–7%.”
Is China's export boom leveling off toward slower growth?
Core argument: China’s export growth has leveled off over the past three months at roughly 24–27% year-on-year in US dollar terms and 18–20% in renminbi terms, a sign the export wave is cresting.
China’s latest extraordinary export wave is showing signs of cresting. The headline YoY growth of exports has leveled off over the past three months, staying around 24-27% in US dollar terms and 18-20% in renminbi terms. The boom in exports of products associated with investment in artificial intelligence is certainly not over, but current super-high growth rates will probably slow in coming months. Memory chips are now the biggest single swing factor for exports, and prices for some products have recently leveled off after their massive surge. While the ebb and flow of memory prices is difficult to forecast, growth of total exports in 2027 will most likely converge toward the recent trend for products outside the AI complex, which is around 5-7%. Semiconductor cycles have limited implications for China’s vast range of other exports, which are still very competitive in global markets.
Takeaways by Macro Roundup® AI
China’s export growth has leveled off over the past three months at roughly 24–27% year-on-year in US dollar terms and 18–20% in renminbi terms, a sign the export wave is cresting.
Memory chips are the biggest single swing factor for China’s exports, with prices for some products leveling off after a massive surge and super-high AI-related growth rates likely to slow in coming months.
Total Chinese export growth in 2027 will most likely converge toward the recent 5–7% trend for products outside the AI complex, which remain very competitive in global markets.
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China’s Share Of Global Container Exports Soars To 40%— China accounted for 40% of global container exports on a three-month rolling average, up 2.5 percentage points in nine months, according to the European Union Chamber of Commerce in China. The chamber's president argues this shows global trade imbalances are growing faster than expected.
Understanding Global Imbalances— The US, China, Germany, and Japan account for roughly two-thirds of global current account imbalances, with the US deficit at 4% of GDP financed by capital inflows into dollar assets. The average duration of a surplus or deficit spell roughly doubled since the 1980s, building large net foreign asset and liability positions.
The Year of the Trojan Fire Horse: China’s Imbalanced Economy and Unrelenting Mercantilism— About 30% of Chinese industrial companies are unprofitable "zombies" kept alive by subsidies far larger than those elsewhere, rather than exiting amid falling industrial producer prices. Countries with large increases in manufactured imports from China also saw slowdowns in domestic manufacturing, including declining manufacturing shares of output across most of Southeast Asia.
AI Summary.Regression evidence suggests governments can buy current account surpluses: raising the fiscal balance by $1 tends to raise the current account by about $0.30, while issuing $1 of domestic-currency debt to buy foreign-currency assets raises it by roughly $0.50-$0.60. Combining a fiscal surplus with foreign-currency investment, as Norway and Singapore do, yields about $0.80 per $1.
Joseph Gagnon and Nishtha AgrawalPeterson Institute For International Economics
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Using annual data for 146 countries from 1985 – 2024, Gagnon and Agrawal find that a $1 increase in a country’s cyclically adjusted fiscal deficit is associated with a 22–38¢ increase in its current-account deficit, with most of the estimates ~30¢.
Can governments buy current account surpluses with fiscal and currency policy?
Core argument: Regression results suggest that raising the fiscal balance by $1 tends to raise the current account by about $0.30.
Table 1 presents regression results. The evidence strongly suggests that governments can buy current account surpluses. Raising the fiscal balance by $1 tends to raise the current account by $0.30 [Table 1, first row]. Issuing $1 of domestic currency debt to buy foreign-currency assets (foreign exchange intervention) raises the current account anywhere from $0.20 to $1.00, with a value around $0.50 to $0.60 most plausible [Rows 2 though 5]. NOF is Net Official Flows, and NOS is the stock of net official foreign assets. The most powerful policy, as exemplified by Norway and Singapore, is to run a fiscal surplus and invest the proceeds in foreign-currency assets. In that case, $1 buys a current account surplus of around $0.80 or so. The results are supported by annual panel regressions of current accounts and cross-country stock regressions of cumulated current accounts or stocks of net foreign assets. The estimated effects in the panel regressions may be biased down slightly by incomplete modeling of lagged effects.
Takeaways by Macro Roundup® AI
Regression results suggest that raising the fiscal balance by $1 tends to raise the current account by about $0.30.
Issuing $1 of domestic currency debt to buy foreign-currency assets is estimated to raise the current account by $0.20 to $1.00, with $0.50 to $0.60 most plausible.
Combining a fiscal surplus with investment of the proceeds in foreign-currency assets, as Norway and Singapore do, is estimated to buy a current account surplus of around $0.80 per $1.
Related Articles:
Understanding Global Imbalances— The US, China, Germany, and Japan account for roughly two-thirds of global current account imbalances, with the US deficit at 4% of GDP financed by capital inflows into dollar assets. The average duration of a surplus or deficit spell roughly doubled since the 1980s, building large net foreign asset and liability positions.
The U.S. Trade Deficit: Myths and Realities— Taxing capital inflows would weaken the dollar but could raise domestic interest rates and depress investment, harming long-term growth, while an interest rate cut absent recession would be inflationary and erode any real depreciation needed to durably improve the trade balance. Fiscal restraint could weaken the dollar and reduce the trade deficit.
The Dangerous Triumph Of Neo-Mercantilism— Neo-mercantilism is thriving in both China, which pairs infant-industry promotion with large trade surpluses, and in a United States focused on external deficits and protecting domestic markets. The author argues this will likely fracture the world economy, and that a new multilateral treaty could include a mechanism to combat large structural trade surpluses.
AI Summary.China's manufacturing export surplus is around 2% of world GDP, roughly twice the largest surplus Japan ever ran, while domestic demand has stalled. Unexplained negative net income of about $125bn on its $4tn in net foreign assets, versus an expected $100bn surplus, supports the argument that the renminbi is about 30% undervalued.
Martin WolfFinancial Times
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Martin Wolf estimates that under reasonable assumptions, China should be earning ~$100B annually on her $4T of foreign assets. Yet, China shows an unexplained negative net income of around $125bn on its net foreign asset position.
Is China's currency undervalued as its export surplus hits record levels?
Core argument: China's manufacturing export surplus stands at roughly 2% of world GDP, described as roughly twice the largest surplus Japan ever ran, while exports surge and domestic demand stalls.
China’s macroeconomics are very different from those obtained before the global financial crisis and, even more so, before the end of its property boom. Exports are surging, but domestic demand has stalled. China's export surplus in manufacturing is now around 2% of world GDP, which is “roughly twice the largest surplus Japan ever ran.” Most importantly, China shows an unexplained negative net income of around $125bn on its net foreign investments. But it should, on reasonable assumptions about the income it earns on its $4tn in net foreign assets, have a surplus of some $100bn. As a result, Brad Setser argues, the renminbi is by now some 30% undervalued. China’s policies look unavoidably threatening to much of the world. If a major trading partner runs huge and persistent trade and current account surpluses, everyone else has to run offsetting deficits. This leads to the shrinkage of sectors specialising in producing tradable goods and services, as well as huge domestic financial deficits.
Takeaways by Macro Roundup® AI
China's manufacturing export surplus stands at roughly 2% of world GDP, described as roughly twice the largest surplus Japan ever ran, while exports surge and domestic demand stalls.
China reports an unexplained negative net income of about $125bn on its net foreign investments, though reasonable assumptions about returns on its $4tn in net foreign assets imply a surplus near $100bn.
Brad Setser argues the renminbi is some 30% undervalued; persistent Chinese trade and current account surpluses require offsetting deficits elsewhere, shrinking sectors producing tradable goods and services and producing large domestic financial deficits.
Related Articles:
The Dangerous Triumph Of Neo-Mercantilism— Neo-mercantilism is thriving in both China, which pairs infant-industry promotion with large trade surpluses, and in a United States focused on external deficits and protecting domestic markets. The author argues this will likely fracture the world economy, and that a new multilateral treaty could include a mechanism to combat large structural trade surpluses.
Sticking with What Works: Raising GDP Forecast on China’s Manufacturing Push— Stronger Chinese growth driven by export-oriented manufacturing may not produce net positive spillovers: for every 1pp export-driven boost to China's GDP, other economies may see a 0.1–0.3pp drag, with high-tech producers such as Europe and Japan facing greater pressure. Cheaper Chinese goods continue to exert a disinflationary impulse.
China’s Economy: Rightsizing 2025, Looking Ahead to 2026— The authors argue China's official growth figures are inconsistent with ten consecutive quarters of deflation, estimating that real GDP is around 11% below official levels, with most of the adjustment in investment. That would imply a drop of roughly 9 percentage points in China's share of global investment, helping explain its export surge.
