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Posts by Jonathan Colmer

The program begins with an intensive "RA bootcamp" followed by placement on faculty-led project teams, providing a strong foundation for pre-doctoral positions or graduate study.

Applications are reviewed on a rolling basis (apply before April 15, 2026).

4 weeks ago 1 0 0 0
UVA_EEE_URTP_Application_Undergrad.pdf

Please Share! The Environmental Inequality Lab is hosting it's second undergraduate research training program in environmental and energy economics this summer & it's open to all (with current U.S. work authorization)!

Full-time, funded, in-person, 10-weeks.

More details here tinyurl.com/EEE-URTP

4 weeks ago 7 6 1 2
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Access to Guns in the Heat of the Moment: More Restrictive Gun Laws Mitigate the Effect of Temperature on Violence Abstract. Gun violence is a major problem in the United States, and extensive prior work has shown that higher temperatures increase violent behavior. We consider whether restricting the concealed…

New and #OpenAccess in the January issue of the Review of Economics and Statistics: @jmcolmer.bsky.social and @jenniferdoleac.bsky.social consider whether restricting the concealed carry of firearms mitigates or exacerbates the effect of temperature on violence. @restatjournal.bsky.social

3 months ago 13 3 1 0
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Pre-Doctoral Associate, Frank Batten School of Leadership and Public Policy in Charlottesville, Virginia, United States of America | Other at University of Virginia Apply for Pre-Doctoral Associate, Frank Batten School of Leadership and Public Policy job with University of Virginia in Charlottesville, Virginia, United States of America. Other at University of Vir...

We're hiring at least one pre-doc this year! Please share and apply! Review will begin 11/3/25.

jobs.virginia.edu/us/en/job/R0...

5 months ago 5 1 0 1
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Do carbon offsets work? Evidence from the world’s largest offset programme Carbon offset programmes allow polluters to pay others to reduce emissions on their behalf. In theory, this can achieve the same emissions reductions at a lower cost, but only if the payment actually ...

🆕 Do carbon offsets work? Evidence from the world’s largest offset programme

Today on VoxDev, Raphael Calel (Georgetown University), Jonathan Colmer (University of Virginia), Antoine Dechezleprêtre (OECD) & Matthieu Glachant (Mines Paris) outline research on India: voxdev.org/topic/energy...

1 year ago 8 4 0 2

Austin people, I'm in town Thursday until Monday evening. If anyone has interest in tennis, let me know!

1 year ago 2 0 0 0

Yes please

1 year ago 0 0 0 0
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If there's room for one more :)

1 year ago 1 0 1 0

Previous RAs have gone onto graduate programs at Columbia, Berkeley, and positions at the U.S. Census Bureau (you don't have to end up doing a PhD, a pre doc is a great way to find out if it's something you really want to do!)

1 year ago 4 0 0 0

You'll be joining a growing team of other pre docs and RAs and other env econ researchers (@ajsw.info, currently at Stanford, and Jenna Anders, currently at Berkeley, are joining UVA too!) Heavy focus on mentoring and training. V competitive salary & lower cost of living.

1 year ago 4 0 1 0
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Pre-Doctoral Fellow, Department of Economics and Frank Batten School of Leadership & Public Policy in Charlottesville, Virginia, United States of America | Research at University of Virginia Apply for Pre-Doctoral Fellow, Department of Economics and Frank Batten School of Leadership & Public Policy job with University of Virginia in Charlottesville, Virginia, United States of America. Res...

The Environmental Inequality Lab is hiring 2 new pre-docs to join our team! We do research in environmental economics but those with interests in labor/public/urban/spatial/development economics should def apply. Apply here: tinyurl.com/EIL-pre-doc

@AereOrg

1 year ago 21 24 2 5

Welcome to the new arrivals. Here's a starter pack of Energy/Environmental economists to get you going:
bsky.app/starter-pack...

1 year ago 103 54 12 4
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Thanks to @nberpubs.bsky.social for summarizing our study on payments for ecosystem services (PES). With a simple contract tweak, the cost to conserve additional forest thru PES plummeted. The cost per hectare shown here maps to permanently averting a ton of CO2 for <$5. www.nber.org/digest/20241...

1 year ago 34 9 1 1
in brief... Designing carbon markets that deliver change Ever since the European Union created its market-based carbon policy, governments and businesses have been keen to assess its impact. Jonathan Colmer, Ralf Martin, Mirabelle Muûls and Ulrich Wagner explain why analysing the effectiveness of such policies can be complex - and why hard proof that carbon markets can achieve what they set out to do is scarce.

Read the latest @CEP_LSE #CentrePiece article on designing carbon markets that deliver change, by Jonathan Colmer, Ralf Martin @mondpanther.bsky.social , Mirabelle Muuls, and Ulrich Wagner
poid.lse.ac.uk/PUBLICATIONS...

1 year ago 4 3 0 0

Brilliant, thanks Rei! We're certainly refining as we go and are happy to incorporate new ideas and suggestions to make them useful for decision-makers.

1 year ago 2 0 0 0
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And I forgot to add... because I'm still used to writing on Twitter where we did a longer thread earlier before Milton made landfall that provided this context, that this is work is in partnership with the EIF team at the U.S. Census Bureau led by @johnvoorheis.bsky.social!

1 year ago 3 0 0 0

The population characteristics of those exposed to excessive rainfall and tropical storm-force winds were similar to the population that was forecasted to be exposed.

1 year ago 1 0 1 0

Approximately 8.9 million people received more than 5 inches of rainfall within 24 hours, an amount high enough to trigger flash flooding. The affected population had a higher proportion of older, Hispanic, and low-income individuals, compared to national averages.

1 year ago 1 0 1 0

Approximately 21.5 million people experienced tropical storm-force winds. The affected population had a higher proportion of older, Hispanic, non-Hispanic Black, and low-income individuals compared to national averages.

1 year ago 1 0 1 0

The population exposed to hurricane-force winds included a larger share of Hispanic, non-Hispanic Black, under-18, and low-income individuals than the population that was forecasted to be exposed with a high probability.

1 year ago 1 0 1 0

Approximately 3.6 million people were exposed to hurricane-force winds. The affected population had a higher proportion of older, Hispanic, and low-income individuals compared to national averages.

1 year ago 2 0 1 0

Identifying who is exposed is crucial to developing targeted, efficient, and equitable responses. We have now finalized our post-landfall report for Hurricane Milton (took us longer than expected, but we'll be quicker next time).

www.environmental-inequality-lab.org/real-time-an...

1 year ago 2 0 1 0
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The Environmental Inequality Lab team have been working to build frameworks for real-time analysis of natural disasters and extreme weather events. The goal is to forecast vulnerability, identifying who, rather than just where, will be exposed.

1 year ago 28 6 2 0
EIF_March_2023.pdf

This is the data we're using drive.google.com/file/d/14b8H...

1 year ago 1 0 0 0

We're looking into highways in our analysis of mobility to see where people move. The benefit of what we're doing over the earlier work is that we data on individuals, where they live and their income. We're not relying on data on the characteristics of places, e.g., median income of a tract etc.

1 year ago 1 0 0 0

Have you come across the wonder weeks? We found it was quite a cute for our two.

1 year ago 1 0 1 0

We do analysis looking at variation in exposure throughout the wealth distribution as well as the income distribution and find very similar results. One way of thinking about the findings is that income/wealth isn't isn't sufficient to explain differences in exposure.

1 year ago 1 0 1 0

Many questions remain! For example, it is possible, likely even, that income could affect env' quality in ways not captured in this study. e.g. aggregate increases in income for a community could affect env' quality through collective action. Someone should look into that.

1 year ago 2 0 0 0

Taking the implied elasticity from this exercise, we recalculate that harmonizing the Black-White income gap would be associated with a 7% reduction in the Black-White pollution gap. Very similar to what was implied by the descriptive facts.

1 year ago 4 0 1 0
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Winning the lottery is associated with a small but persistent reduction in ambient air pollution. This effect is similar for Black and White individuals, and driven entirely by those that move from their initial location.

1 year ago 3 0 1 0
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