Kimberly Clausing
@kclausing.bsky.social
11K followers 230 following 250 posts
Economist; Professor @law.ucla.edu; senior fellow @piie.com; former tax DAS at Treasury; Author, Open: The Progressive Case for Free Trade, Immigration, and Global Capital
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Reposted by Kimberly Clausing
fishkin.bsky.social
I thought I'd put the administration's proposed "compact" with universities in context, so I wrote the blog post below.

It's especially for journalists covering this story!

Many details about how the compact itself works and why the administration has retreated to this strategy.
Balkinization: The Art of Replacing the Law with the Deal
A group blog on constitutional law, theory, and politics
balkin.blogspot.com
Reposted by Kimberly Clausing
nber.org
NBER @nber.org · 1d
Assessing how the greater reliance of fiscal policy on tariffs will affect the US tax system, from @kclausing.bsky.social and Maurice Obstfeld https://www.nber.org/papers/w34192
Reposted by Kimberly Clausing
aaronsojourner.org
"While maintaining tariff rates at summer 2025 levels would generate large government revenues, such broad tariffs have significant downsides: Efficiency losses would approach one-third of revenues raised..."
@kclausing.bsky.social #EconSky
www.nber.org/papers/w34192
.	Tariffs as Fiscal Policy
Kimberly A. Clausing, Maurice Obstfeld #34192

Abstract:
The year 2025 brought a remarkable shift in the role of tariffs in the US economy, as the Trump administration simultaneously escalated the use of broad tariffs and ensured that Congress enacted large income tax cuts. This fiscal switch has important implications for the US tax system. While maintaining tariff rates at summer 2025 levels would generate large government revenues, such broad tariffs have significant downsides: Efficiency losses would approach one-third of revenues raised, the tax system would be less progressive, and there would be serious tax administration concerns. The fiscal shift also has significant macroeconomic implications, although probably not the intended ones. Broad tariffs generate a large negative supply shock, simultaneously raising prices and reducing macroeconomic activity.
Reposted by Kimberly Clausing
bistline.bsky.social
Great paper measuring the current costs of climate inaction in the U.S. @kclausing.bsky.social, @knittelmit.bsky.social, and @cwolfram.bsky.social find that wildfire smoke and higher insurance drive household costs more than direct temperature-related effects, both for costs and mortality risks.
Reposted by Kimberly Clausing
bbkogan.bsky.social
Happy fiscal new year! Off to a rough start 🥲
kclausing.bsky.social
(7/7) For more on a comparison of relevant climate policy actions for the United States, see this recent work:

papers.ssrn.com/sol3/papers....

ceepr.mit.edu/wp-content/u...
kclausing.bsky.social
(6/7) While costs are relatively modest so far, the costs of climate inaction are likely to rise steeply in the years ahead, illustrating the importance of climate action. Even focusing *solely* on US benefits, many climate policy interventions will have benefits that exceed their costs.
kclausing.bsky.social
(5/7) Further, climate policy *inaction* is regressive, harming poorer counties and households disproportionately. Poorer counties are more exposed to risks such as wildfire particulates, and the higher costs of home insurance and cooling are a larger share of income for poorer households.
kclausing.bsky.social
(4/7) In the United States, natural disasters are far more consequential than heat, for both costs and mortality risks. Increased particulate matter from smoke causes more deaths than heat (as cold deaths fall); home insurance price increases are more important than higher cooling costs.
kclausing.bsky.social
(3/7) When it comes to climate change, “blue” counties and “red” counties suffer similarly, with slightly higher costs for Trump-voting counties in comparison to Harris-voting counties.
kclausing.bsky.social
(2/7) Guided by the literature, we examine several key vectors through which climate inaction affects households. Overall, household damages total nearly $600 by one estimate, and damages reach about $900 for ten percent of households.
kclausing.bsky.social
🧵 (1/7) With @knittelmit.bsky.social and @cwolfram.bsky.social, happy to announce our new paper on “Who Bears the Burden of Climate Inaction?”, just posted for BPEA @brookings.edu.

We find large climate cost impacts that vary by both geography and income.

www.brookings.edu/articles/who...
kclausing.bsky.social
(8/8) Such broad tariffs are also quite challenging for the macroeconomy, as they entail a large negative supply shock. Further, tariffs are likely to harm both the US investment climate and US manufacturing.

For more, read the paper!
www.piie.com/publications...
Tariffs as Fiscal Policy
The year 2025 brought a remarkable shift in the role of tariffs in the US economy, as the Trump administration simultaneously escalated the use of broad tariffs and ensured that Congress enacted large...
www.piie.com
kclausing.bsky.social
(7/8) Together with the OBBBA, this fiscal switch of lower income tax revenues, higher tariff revenues, and spending cuts targeting poorer Americans will leave most Americans with lower after-tax incomes.
kclausing.bsky.social
(6/8) In terms of progressivity, tariffs are far less progressive than the income tax; they harm poor and middle-class Americans more than rich Americans for the simple reason that they fall on consumption, not savings, and savings rates increase with income.
kclausing.bsky.social
(5/8) In terms of efficiency, tariffs perform poorly relative to other tax instruments, for reasons discussed at length in the paper. At current levels, efficiency losses approach one third of revenue raised.
kclausing.bsky.social
(4/8) Once accounting for mechanical offsets, our revenue findings are compatible with recent 10-year estimates of tariff revenues, but readers should note these studies are not strictly comparable, and exemptions and evasion might reduce revenues further.
kclausing.bsky.social
(3/8) In terms of revenue, we calculate tariff “Laffer curves” under multiple modeling assumptions, finding that tariff revenues peak at a level far short of what it would take to replace (or even dramatically reduce) income tax revenues.
kclausing.bsky.social
(2/8) While tariffs have long been employed for various narrow aims, their use in today’s US economy is far more significant. Tariffs are a tax. In our paper, we evaluate the use of tariffs by broad tax policy criteria: revenue, efficiency, progressivity, and tax administration.
kclausing.bsky.social
🧵 (1/8) My new working paper with Maurice Obstfeld, “Tariffs as Fiscal Policy”, was just posted today @piie.com. Within, we evaluate the new role that tariffs are playing in the US economy.

www.piie.com/publications...
Reposted by Kimberly Clausing
brendanvduke.bsky.social
The Trump Administration’s continued efforts to break the 2025 funding deal reached in March are seriously undermining efforts to reach a funding agreement for 2026 because lawmakers need to know if they reach a deal, it will be kept. 🧵
kclausing.bsky.social
With international efforts more difficult than ever, it is essential that willing jurisdictions buttress climate cooperation.

A big shout out re. this new & important report, from a team led by @cwolfram.bsky.social. I was honored to be part of the working group.

Read her thread, then the report!
cwolfram.bsky.social
I'm delighted to announce the release of the Flagship Report of the Global Climate Policy Project at Harvard and MIT Working Group on Climate Coalitions on "Building a Climate Coalition: Aligning Carbon Pricing, Trade, and Development."

ceepr.link/3VmgC7g

A 🧵 on what we do/find:
ceepr.link
Reposted by Kimberly Clausing
scottlincicome.bsky.social
"Lesotho Sends Trade Delegation to US to Plead for Lower Tariffs" www.bloomberg.com/news/article...
The country ranks 167th in gdp per capita (PPP); has 40% of its population living in poverty; and has 24-28% unemployment.

Shameful stuff.
Reposted by Kimberly Clausing