Lightnews — Scholar-powered news

LightNews

Anthony Wiskich

@twiskich.bsky.social

290 followers 590 following 39 posts

Environmental Economist, climate/energy/macro/bioeconomy, ANU Centre for Applied Macroeconomic Analysis Visiting Fellow https://sites.google.com/view/anthonywiskich

sites.google.com

Posts Media Videos Starter Packs

Anthony Wiskich @twiskich.bsky.social · Sep 11

I have written about optimally pricing methane versus CO2 from a social cost perspective where there is a risk of catastrophic damage from climate tipping events. I find results more consistent with GWP100 than GWP20 from this perspective.

bsky.app/profile/twis...

Anthony Wiskich @twiskich.bsky.social · Apr 6

What should the relative prices of carbon dioxide and methane be? My new paper investigates their social costs under both deterministic (predictable) damages from global warming and uncertain tipping events.
doi.org/10.1007/s106...
Thread: bsky.app/profile/twis...

Social Costs of Methane and Carbon Dioxide in a Tipping Climate - Environmental and Resource Economics

Social costs for methane and carbon dioxide emissions, from the risk of climate tipping events and deterministic damages, are derived in an analytically tractable model. In the core model: social cost...

Anthony Wiskich @twiskich.bsky.social · Sep 9

This linked-in article summarises the paper.
lnkd.in/gHZzfTkS

Electrifying long-distance container ships | Anthony Wiskich

How can long-distance battery-powered container ships stack up? A speculative Asia-Europe illustration

Anthony Wiskich @twiskich.bsky.social · Sep 9

New research paper on how long-distance container shipping can be electrified (and hence decarbonised) in Research in Transportation Economics.
#ClimateEconomics #ClimatePolicy #Decarbonisation #Shipping

@cleanshipping.bsky.social
@csiropublishing.bsky.social
authors.elsevier.com/a/1lkeQ2eEmT...

authors.elsevier.com

Anthony Wiskich @twiskich.bsky.social · Sep 5

New opinion piece with Robert Speight on the long-term global decarbonisation potential of Synthetic Biology. Not open access but a preprint is avalable from my website.
#ClimateEconomics #ClimatePolicy #Decarbonisation
@csiropublishing.bsky.social
onlinelibrary.wiley.com/doi/10.1111/...

The Global Decarbonisation Potential of Synthetic Biology

We discuss synthetic biology applications that can lead to long-term decarbonisation and quantify the potential using a top-down approach. We find that promoting the restoration of agricultural land ...

onlinelibrary.wiley.com

Anthony Wiskich @twiskich.bsky.social · Aug 20

How might new vehicle technologies reduce personal aviation demand and emissions? Looking forward to presenting online tomorrow with ITLS ...

www.linkedin.com/events/semin...

Seminar - Driving Down Australian Domestic Aviation Demand | LinkedIn

This paper investigates how emerging transport technologies and climate policy could reshape personal domestic aviation demand in Australia. Using a discrete choice model based on National Visitor Sur...

www.linkedin.com

Anthony Wiskich @twiskich.bsky.social · Aug 14

Policy implications. Climate: electrified and autonomous vehicles will reduce warming. Infrastructure: more car travel, less (and bigger) air travel. Competition policy: less air travel affects ticket prices. Social cohesion: brings together southeastern Australia, but not the west/east coasts.

Anthony Wiskich @twiskich.bsky.social · Aug 14

Impacts on personal domestic aviation passengers, relative to the counterfactual. Personal air passengers in the busiest Melbourne-Sydney route reduced by 63%, with less effect on the longer Melbourne-Brisbane route. Overnight robotaxis are most used when N=4 for distances between 600 and 1000 km.

Personal air passengers in the busiest Melbourne-Sydney route reduce by 63%, with less effect on the longer Melbourne-Brisbane route. Overnight robotaxis most used when N=4 for distances between 600 and 1000 km.

Anthony Wiskich @twiskich.bsky.social · Aug 14

Aggregate impacts on personal domestic aviation from comparative static scenarios. Scenarios: EV=Electric vehicle, AV=Autonomous vehicles, ON=Overnight robotaxis, Cspd=Increased car speed, Tax=Carbon tax on aviation.

Average flight distances increase due to greater reductions on shorter flights.

Anthony Wiskich @twiskich.bsky.social · Aug 14

Elasticities vary with travel distance.

Elasticities reduce in magnitude as distances increase.

Anthony Wiskich @twiskich.bsky.social · Aug 14

This is the main data and a simple fitted model (excludes individual route price data) for solo travellers (N=1) and groups (N>1). Marker size reflects the number of air trips. We estimate a discrete choice disutility model with car and air travel modes using Bayesian priors.

Shows increasing air trip share with geodesic distance.

Anthony Wiskich @twiskich.bsky.social · Aug 14

Combining in turn electrification, autonomy, the use of overnight robotaxis, a 10 kph increase in average car speeds, and an AUS$200/tCO2e carbon tax leads to personal air passenger reductions of 5%, 19%, 22%, 28% and 43%, respectively.

Anthony Wiskich @twiskich.bsky.social · Aug 14

Working paper on reduced personal air travel due to electrified, autonomous personal vehicles/robotaxis. The model is based on Australian travel data and illustrates potential long-run effects eg decarbonisation/contrails. #econ #energy #transport #autonomy crawford.anu.edu.au/cama/content...

Driving Down Personal Aviation Demand | Crawford School of Public Policy

Vol: 48/2025 Author: Anthony Wiskich Year: 2025 Month: August

crawford.anu.edu.au

Anthony Wiskich @twiskich.bsky.social · Aug 14

The densities of lines/markers in Panels A rises with battery densities (50,200,1000 Wh/kg), with blue/red representing on-ship/off-ship approaches. The panel shows fuel use per transport work relative to the "Current" scenario without a carbon price.

Reposted by Anthony Wiskich

Anthony Wiskich @twiskich.bsky.social · Jul 29

Seeking input from technical shipping/electrical experts on the challenges and potential solutions to powering large ships (eg container) using separate battery vessels en route. There are economic advantages to separating batteries from the ship - a new paper considers this "off-ship" approach ...

Anthony Wiskich @twiskich.bsky.social · Jul 29

I need help on this (possible configurations including alongside/astern vessels like naval refuelling or tighter integration, dynamic cable limitations). I consider future scenarios (say >2040) so thoughts on where tech is heading welcome. The paper is in R&R and I hope will be available soon.

Anthony Wiskich @twiskich.bsky.social · Jul 29

...and increase gradually as more segments electrify, while optimal battery adoption is "all-or-nothing" in the on-ship approach. The chart shows future scenarios with a US$200 carbon price. But how feasible is powering a large vessel en route through a cable?...

Gradual fuel reductions in the off-ship approach (blue) as battery pack prices decline cf "all-or-nothing" battery adoption in the on-ship approach (red). Line density rises with gravimetric energy density (50,200,1000 Wh/kg).

Anthony Wiskich @twiskich.bsky.social · Jul 29

One advantage relates to flexibility, such as the potential for partial electrification across some segments over a long route with many stops ( I look at a China to Europe itinerary for a hybrid container ship ). Fuel reductions start at higher battery pack prices cf batteries "on-ship"...

Anthony Wiskich @twiskich.bsky.social · Jul 29

Seeking input from technical shipping/electrical experts on the challenges and potential solutions to powering large ships (eg container) using separate battery vessels en route. There are economic advantages to separating batteries from the ship - a new paper considers this "off-ship" approach ...

Anthony Wiskich @twiskich.bsky.social · Nov 20

Thanks Scott - please add me ✋

Anthony Wiskich @twiskich.bsky.social · Nov 14

Yes please

Anthony Wiskich @twiskich.bsky.social · Nov 13

New open access article on 'Clean innovation, heterogeneous financing costs, and the optimal climate policy mix'. With Emanuele Campiglio and Alessandro Spiganti. @jeem-econ.bsky.social #econsky
doi.org/10.1016/j.je...

Reposted by Anthony Wiskich

Professor Dr Richard S.J. Tol FREcon MAE @richardtol.bsky.social · Jul 8

Vacancy for PhD candidate on climate risks and individual behaviour workingat.vu.nl/vacancies/ph...

Vacancy — PhD: Individual behaviour under climate change risks

Are you keen to contribute to increasing climate-resilience in Europe? Would you like to study how individuals take actions to prepare for multi-hazard climate risks? Then you could be the ideal PhD c...

workingat.vu.nl

Reposted by Anthony Wiskich

Alexander J. Stein @ajstein.bsky.social · Jun 4

#Environment impacts of producing animal-based #proteins are substantial. Over 3/4 of agricultural #landuse & 2/3 of agricultural GHG #emissions are linked to such foods. Alternative #protein sources offer opportunities for #foodsecurity & sustainability: www.europarl.europa.eu/thinktank/en...

Alternative protein sources for food and feed | Think Tank | European Parliament

Alternative protein sources for food and feed

www.europarl.europa.eu

Reposted by Anthony Wiskich

AERE @aereorg.bsky.social · May 30

Up next was the 🏅 2023 Best @jaereaere.bsky.social Paper Award 🏅, which was awarded to:

Fabian Stöckl and Alexander Zerrahn for “Substituting Clean for Dirty Energy: A Bottom-Up Analysis”

Read it here: www.journals.uchicago.edu/doi/abs/10.1...

Substituting Clean for Dirty Energy: A Bottom-Up Analysis | Journal of the Association of Environmental and Resource Economists: Vol 10, No 3

Abstract We analyze the macroeconomic substitution between clean and dirty inputs through the lens of production isoquants derived from a numerical bottom-up model of electricity production. This appr...

www.journals.uchicago.edu

Reposted by Anthony Wiskich

Gunnar Luderer @gunnarenergyclima.bsky.social · May 14

#JobOpportunity @pik-potsdam.bsky.social: We are looking for a postdoc or research analyst working with us on energy systems modeling of decarbonization pathways for the transport system 0cn.de/PIKtransport....