AI Summary. Federal Reserve Bank of New York researchers estimate that about 26% of a uniform tariff passes through into non-oil consumer goods prices over twelve months, with roughly 64% of that effect coming directly from higher import prices and the rest through domestic producers' input costs and markups. Pass-through into import prices is nearly immediate, while domestic price responses build gradually.

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FRBNY estimates that a uniform 10% tariff raised consumer-goods prices 2.6% after 12 months: 1.7pp directly via imported final goods, and 0.9pp mainly via higher imported-input costs for domestically produced goods, with the latter effect building over 9–12 months.

How much of a tariff reaches consumer prices within a year?

Core argument: Amiti, Heise, and Weinstein estimate that a uniform tariff passes through to non-oil consumer goods prices at roughly 26 percent over twelve months, with a 10 percent tariff raising prices 2.6 percentage points, 1.7 points of it via the direct import channel.

Tariff pass-through into U.S. import prices is nearly complete. Instrumenting realized duty rates with statutory tariffs to account for endogenous sourcing and exemptions, tariff pass-through into consumer-goods import prices is about 90.5%; a 10% increase in the duty rate raises import prices about 9.1%. At twelve months, a uniform 10% tariff raises consumer-goods prices 2.639%: 1.694pp through the direct channel, 0.770pp through marginal costs, and 0.175pp through strategic complementarity. Import-price pass-through is essentially immediate, while domestic prices adjust gradually; the contribution of the two indirect channels roughly doubles between six and twelve months, with much of the overall adjustment occurring within nine to twelve months. For the actual 2025–26 tariffs, the direct channel accounts for about 70% of the estimated effect; the marginal-cost channel accounts for about 22%, with strategic complementarity accounting for the remainder. Because the regressions include date fixed effects, the tariff contribution is identified relative to less-exposed goods and should be read as illustrative rather than as the absolute contribution to aggregate goods CPI.

Takeaways by Macro Roundup® AI

  1. Amiti, Heise, and Weinstein estimate that a uniform tariff passes through to non-oil consumer goods prices at roughly 26 percent over twelve months, with a 10 percent tariff raising prices 2.6 percentage points, 1.7 points of it via the direct import channel.
  2. The two indirect channels — marginal costs from imported inputs (0.77 percentage points) and strategic complementarity in domestic markups (0.17 points) — account for 36 percent of the total effect and roughly double between six and twelve months after tariff implementation.
  3. Applied to the actual 2025–26 tariff schedule, the authors estimate the cumulative tariff contribution to goods CPI reached about 2.9 percentage points by February 2026, with import-price pass-through near 90 percent and retail pass-through of 0.56.

AI Summary. Incorporating tariffs into the standard cost-of-capital framework, researchers estimate US tariffs raised the economy-wide marginal effective tax rate on new investment by 4.2 percentage points to 17.0%, with equipment hit hardest at 26.1 percentage points. That increase offsets the 3.5 percentage point reduction from the One Big Beautiful Bill Act.

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The IEEPA tariffs through January 2026 raised equipment’s user cost of capital 9%, from 17.7% to 19.3%. With depreciation unchanged, the required pre-tax net return rose 1.6pp, 4.3% to 5.9%, a tax at purchase that expensing cannot eliminate.

Do tariffs raise the effective tax rate on new investment?

Core argument: Tariffs in force before the February 20, 2026 Supreme Court ruling in Learning Resources v. Trump raised the economy-wide marginal effective tax rate on new US investment by 4.2 points, from 12.8 percent to 17.0 percent, and the cost of capital by 2.7 percent, the AEI authors estimate.

The standard Hall-Jorgenson user cost of capital framework defines the minimum gross required return on an additional unit of capital. The service price of capital (SS) is the minimum pretax gross return required on a new investment; the minimum pretax net return (ρrho) equals SS minus economic depreciation. Consider imported equipment requiring a 25% gross return: 20% to cover depreciation and 5% shareholders’ demanded return. A 10% tariff raises the cost of capital to 27.5%. [Thus the minimum pretax net return—the hurdle rate—rises from 5% to 7.5%]. For equipment, tariffs raise the cost of capital 9%, from 17.7% to 19.3%: 86% of the burden is direct, 14% indirect. 100% bonus depreciation reduced the equipment METR from 19.1% to 4.1%; tariffs raised it to 30.3%, more than offsetting the tax cut.

Takeaways by Macro Roundup® AI

  1. Tariffs in force before the February 20, 2026 Supreme Court ruling in Learning Resources v. Trump raised the economy-wide marginal effective tax rate on new US investment by 4.2 points, from 12.8 percent to 17.0 percent, and the cost of capital by 2.7 percent, the AEI authors estimate.
  2. Equipment bore the largest estimated burden, with its marginal effective tax rate rising 26.1 points from 4.1 percent to 30.3 percent and its cost of capital up 9.0 percent, while mainframes and PCs saw a 26.6 percent cost-of-capital increase.
  3. The estimated 4.2 point tariff-driven increase in the marginal effective tax rate offset the One Big Beautiful Bill Act’s 3.5 point reduction, leaving a net 0.8 point rise economy-wide and an 11.1 point net increase for equipment.

AI Summary. The gap between French and German 10-year government bond yields has widened at a pace matched only during the euro zone sovereign debt crisis. France and the UK have less room than the US to close deficits with tax increases, as tax revenues equal 43.9% of GDP in France and 35.3% in the UK versus 25.2% in the US.

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The spread between 10-year French OATs and German Bunds has widened at a pace seen only during the eurozone sovereign-debt crisis. John Authers warns that France “satisfies all the classic conditions for a major debt crisis.”

Do high tax burdens limit France and the UK's deficit options?

Core argument: The spread of 10-year French OATs over German Bunds has risen at a pace matched only during the worst days of the euro-zone sovereign debt crisis in 2011 and 2012, fueling talk of a second crisis centered in Paris.

Only in the worst days of the euro zone’s sovereign debt crisis, in 2011 and 2012, has the [spread of 10-Year French OATS over German Bunds] risen so fast. Talk of a second euro-zone crisis, this time with an epicenter in Paris, is growing, and it’s easy to see why. Why is this more of a problem for France and the UK? Beyond their deficits, they also shoulder much higher tax burdens than the US. Tax revenues are 25.2% of GDP in the US, the lowest of the major developed economies - but 35.3% in the UK and 43.9% in France. It’s hard to imagine after decades of tax-cutting, but a US politician could deal with the deficit fairly easily with a tax hike. It’s not clear that option is open to French lawmakers, even if they could somehow persuade voters to go along with them. The populist politicians of left and right, who currently look well placed in next year’s presidential elections, are in any case unlikely to try.

Takeaways by Macro Roundup® AI

  1. The spread of 10-year French OATs over German Bunds has risen at a pace matched only during the worst days of the euro-zone sovereign debt crisis in 2011 and 2012, fueling talk of a second crisis centered in Paris.
  2. Tax revenues equal 25.2% of GDP in the US, the lowest among major developed economies, versus 35.3% in the UK and 43.9% in France, leaving American politicians more room to close the deficit with a tax hike.
  3. Populist politicians of left and right, currently well placed for France’s presidential election, are unlikely to attempt tax increases to address the deficit.

AI Summary. The authors find no statistically significant evidence that $190bn in federal emergency K-12 school aid mitigated pandemic learning loss or raised district spending. Districts qualifying for additional funds saw local revenues fall by $907 per pupil over three years, about 8% of pre-pandemic average, roughly 80% from property taxes.

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Exploiting a discontinuity in K-12 public school districts’ qualification for Covid emergency funding (ESSR), Clemens et al find that the funds did not mitigate learning loss. To a large extent, local districts used them to lower property taxes.

Do federal emergency education grants reduce student learning loss?

Core argument: Districts crossing the 5% poverty cutoff for additional ESSER funds saw local revenues fall an estimated $907 per pupil over three years, about 8% of the pre-COVID average.

Emergency funding for K-12 public schools was an important component of recession spending packages during COVID, involving $190 billion in additional expenditure. We see no evidence that ESSER funds helped to mitigate learning loss, at least in the short run. We find no statistically significant evidence that districts increased expenditures in SY 2021 or SY 2022. We do find evidence that districts that qualified for additional ESSER funds had statistically significant reductions in local revenues that were in excess of their ESSER funds. This pass-through of federal funds may partially explain why ESSER had minimal impacts on learning loss for districts around the 5% poverty threshold. Our estimates suggest that over the three years, crossing the qualification cutoff for additional ESSER funds is associated with a $907 per pupil decrease in local revenues, or about 8% of the pre-COVID average. We show the decline in local revenues as an event study in Figure 3, which includes a flat pre-COVID trend in local revenues per pupil across the qualification threshold. In Table 5,Column 5 [], we can see that about 80% of the revenue decline came from decreases in revenues from property taxes, [which fell] by $718 per pupil across the 3 years. The findings apply specifically to districts in the neighborhood of the 5% poverty threshold for qualifying for additional ESSER funds.

Takeaways by Macro Roundup® AI

  1. Districts crossing the 5% poverty cutoff for additional ESSER funds saw local revenues fall an estimated $907 per pupil over three years, about 8% of the pre-COVID average.
  2. About 80% of that local revenue decline came from property taxes, which fell by $718 per pupil across the three years.
  3. The authors find no evidence that ESSER emergency K-12 funding, totaling $190 billion, mitigated learning loss in the short run, and no statistically significant increase in district expenditures in SY 2021 or SY 2022.

AI Summary. Modeling U.S. venture-backed startups, the authors estimate that taxing capital gains as they accrue rather than at sale would cut founders' average ownership at exit by about 25% while raising the share of entrepreneurs with positive payoffs from roughly 16% to nearly 47%. Less risk-averse founders prefer taxation at sale.

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~84% of venture backed founders end with zero exit value, while the top 2% capture ~80% of total exit value. Accrual-based taxation would reduce mean founder ownership stakes at exit by ~25%, but with fully refundable tax credits, raise the share of founders with >0 payoffs to ~47%.

How does taxing unrealized capital gains affect startup founders?

Core argument: The authors estimate that average founder shares at exit fall about 25% under accrual-based capital gains taxation relative to realization-based taxation, as advance taxation forces additional share sales before exit.

This paper examines how taxing unrealized capital gains affects entrepreneurship, combining a dynamic career-choice model with new evidence on all U.S. venture capital backed startups. Figure 1a plots a histogram of the positive company exit values. The distribution spans several orders of magnitude and is relatively similar to a lognormal, but with a right skew and fatter right tail. A stylized model highlights a key trade-off: accrual-based capital gains taxes dilute successful founders by forcing additional share sales before exit, a well known concern, yet they also provide insurance through tax credits to founders whose ventures fail, an aspect often overlooked. Quantitatively, advance taxation substantially reduces founders' ownership at exit: average founder shares fall about 25% under accrual-based taxation relative to realization based taxation. At the same time, accrual taxation increases the fraction of entrepreneurs with positive payoffs from around 16% to nearly 47%. Embedding these outcomes in a career-choice framework shows that the insurance value of accrual taxation partly offsets dilution costs: less risk-averse founders favor realization-based taxes, while more risk averse ones prefer accrual-based taxes. The strength of this insurance channel depends on the highly skewed distribution of entrepreneurial payoffs and the design of loss provisions under accrual-based taxation.

Takeaways by Macro Roundup® AI

  1. The authors estimate that average founder shares at exit fall about 25% under accrual-based capital gains taxation relative to realization-based taxation, as advance taxation forces additional share sales before exit.
  2. Accrual-based taxation raises the fraction of entrepreneurs with positive payoffs from around 16% to nearly 47%, providing insurance through tax credits to founders whose ventures fail.
  3. In the authors' career-choice framework, less risk-averse founders favor realization-based taxes while more risk-averse founders prefer accrual-based taxes, with the insurance channel's strength depending on the skewed payoff distribution and loss-provision design.

AI Summary. As labor force participation falls, a shrinking group of workers generates the income, taxes, and innovation supporting a growing number of non-workers, leaving the economy more fragile because labor shocks are concentrated among fewer participants. Labor scarcity raises the return on automation, robotics, and software, making growth depend on productivity rather than participation.

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Overall LFP is at a 50-year low. Kedrosky warns, “As fewer adults work or seek work, a larger fraction of voters experience the economy mostly as consumers, retirees, or rentiers, not as workers…[which] changes incentives around….taxation and redistribution.”

How does falling labor force participation reshape growth and fragility?

Core argument: Falling labor force participation leaves a shrinking core of workers generating the income, taxes, and innovation that support a growing number of non-workers, and makes the economy more fragile because labor shocks are concentrated among fewer participants.

As fewer adults work or seek work, a larger fraction of voters experience the economy mostly as consumers, retirees, or rentiers, not as workers. That changes political incentives around wages, immigration, AI, taxation, and redistribution. The economy becomes increasingly dependent on a shrinking core. A shrinking group of workers generates the income, taxes, and innovation that support a growing number of non-workers. The economy becomes more fragile because labor shocks are concentrated among fewer participants. Capital must increasingly substitute for labor. Labor scarcity raises the return on automation, AI, robotics, and software. The AI bet becomes as much about compensating for workers' absence as simple replacement. Growth increasingly depends on productivity, on not participation. Any [productivity] miss will be much more consequential than in the past, given that labor no longer picks up the slack.

Takeaways by Macro Roundup® AI

  1. Falling labor force participation leaves a shrinking core of workers generating the income, taxes, and innovation that support a growing number of non-workers, and makes the economy more fragile because labor shocks are concentrated among fewer participants.
  2. As more voters experience the economy as consumers, retirees, or rentiers rather than workers, political incentives shift around wages, immigration, AI, taxation, and redistribution.
  3. Labor scarcity raises the return on automation, AI, robotics, and software, making the AI bet as much about compensating for workers' absence as replacing them, with growth depending on productivity rather than participation and any productivity miss more consequential than in the past.

AI Summary. Europe consumes AI products like ChatGPT without capturing the capital gains, payroll taxes on high-paid engineers, or agglomeration effects, because the tax base accrues where high-value production occurs rather than where products are consumed. The author argues Europe's welfare commitments were implicitly backed by expected future growth that is no longer anticipated.

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Lustig argues that Krugman is wrong to dismiss concerns about slower European growth relative to the US based on welfare measures: “Europe’s social model is not financed out of consumer surplus; it is financed out of taxable income and taxable profits.”

Does consuming AI without producing it erode Europe's tax base?

Core argument: Europe consumes ChatGPT but collects none of the capital gains, payroll taxes on million-dollar AI engineers, or agglomeration effects, because the tax base migrates to where high-value production occurs rather than where products are consumed.

Europe consumes ChatGPT; it does not collect the capital gains, the payroll taxes on million-dollar AI engineers, or the agglomeration effects. The worst possible combination for a welfare state: contented consumers committed to the status quo, eroding public finances. The tax base migrates to where the high-value production takes place, not where the products are ultimately consumed. All this insurance that European states are committed to providing was implicitly backed by the promise of future growth. And that growth is no longer expected to materialize, but the promises remain. The problem is not simply that Europeans chose a different point on the efficiency-equity frontier. Their choices have shifted the frontier itself inward over time, leaving future generations of Europeans with a trade-off that is much worse.

Takeaways by Macro Roundup® AI

  1. Europe consumes ChatGPT but collects none of the capital gains, payroll taxes on million-dollar AI engineers, or agglomeration effects, because the tax base migrates to where high-value production occurs rather than where products are consumed.
  2. Europe's welfare-state insurance was implicitly backed by a promise of future growth that is no longer expected to materialize, while the promises themselves remain in place.
  3. European choices have shifted the efficiency-equity frontier itself inward over time, leaving future generations with a worse trade-off rather than merely a different point on the same frontier.

AI Summary. The authors estimate that about $200bn of “missing” labor compensation would account for roughly a third of the fall in the labor share since the late 1970s, which workers owning a bit above 10% of corporate profits through stock compensation would cover. Spread across the 4.2m top-decile public company employees, that implies about $40,000 in additional pay each.

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Zidar & Zwick suggest about one‑third of the post‑1970s drop in labor’s share is due to stock‑based pay to workers, in addition to the one‑third they already attribute to pass‑through income. That leaves only around one‑third for genuine shifts in technology, power, etc.

Does stock compensation explain part of the falling labor share?

Core argument: The authors report 2017 employee compensation of $7.2 trillion against corporate value added of $12.2 trillion after adjusting for the rise of pass-throughs, with unadjusted corporate profits, which exclude partnership profits, at $1.7 trillion.

In our data for 2017, after adjustments for the rise of pass-throughs, we report employee compensation of $7.2 trillion and corporate value added of $12.2 trillion. The unadjusted corporate profits number (which excludes partnership profits) is $1.7 trillion. If we could find around $200 billion of “missing” labor compensation, that would account for about a third of the fall in the labor share since the late 1970s. Thus, if workers owned a bit above 10% of those corporate profits via stock compensation, then that would cover the difference. Distributing this amount across the top 10% of public company employees, of which there are 4.2 million, this ownership would imply an additional $40,000 or so in pay. The aggregate numbers are thus quite plausible in terms of how much pay might have shifted to corporate profits serving as tax-preferred payments to high earners.

Takeaways by Macro Roundup® AI

  1. The authors report 2017 employee compensation of $7.2 trillion against corporate value added of $12.2 trillion after adjusting for the rise of pass-throughs, with unadjusted corporate profits, which exclude partnership profits, at $1.7 trillion.
  2. The authors estimate that roughly $200 billion of "missing" labor compensation would account for about a third of the fall in the labor share since the late 1970s, a sum covered if workers owned somewhat above 10% of corporate profits via stock compensation.
  3. Spread across the 4.2 million employees in the top 10% of public company workforces, that amount would imply about $40,000 in additional pay each, which the authors consider plausible as pay shifted into corporate profits serving as tax-preferred payments to high earners.