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Will Masters

@willmasters.bsky.social
3.4K followers 1K following 261 posts

Prof. at the Friedman School of Nutrition & Dept. of Economics at Tufts University @tuftsnutrition.bsky.social. Open-access book on Food Economics: Agriculture, Nutrition and Health. sites.tufts.edu/willmasters

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Will Masters @willmasters.bsky.social · 07/09/2026
Iodized salt is a great achievement, easily lost: Adoption in Ethiopia was paused in the late 1990s, permanently harming those born at that time especially in districts with low environmental iodine. Great work from @robel-alemu.bsky.social in @natfood.nature.com, from @tuftsnutrition.bsky.social
nature.com
Loss of salt iodization harmed child survival and academic achievement in Ethiopia - Nature Food
This study examines the effects of early-life iodine deficiency on health and educational outcomes following the war-induced disruption of Ethiopia’s salt iodization programme in the late 1990s. Using...
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Will Masters @willmasters.bsky.social · 15/07/2026
Farms can be beautiful sites that connect us to nature & history & culture, so we want some farms preserved near cities... but keeping high-value land in low-output farms is for agrotourism rather than sustainability, equity or health, so their area should be small. open.substack.com/pub/matthewy...
open.substack.com
Farms aren’t nature
A banal take with serious consequences
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Will Masters @willmasters.bsky.social · 13/05/2026
This deep-dive conversation with David Introcaso covers all the big questions in #FoodEconomics. It's just what you need: an unedited 40 minutes on agriculture, food and health... starting with an intro to my wonderful Friedman School of Nutrition at Tufts @tuftsnutrition.bsky.social
open.spotify.com
Tufts Professor William Masters Discusses Food Affordability and Food Production Stability in the Age of Climate Denial
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ANH Academy Science-Policy Platform @anhacademy.bsky.social · 12/05/2026
📢 Rome Nutrition Week 2026 is almost here! #RNW26 Taking place 25–28 May in Rome and online, Day 1 opens with a session on the Cost of a Healthy Diet, a metric with IMMANA roots now used by FAO, WFP and the World Bank globally. 🥗 Free to register 🔗 www.unnutrition.org/rome-nutriti...
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Will Masters @willmasters.bsky.social · 01/05/2026
In Accra, celebrating the successful launch of the ANH Africa Regional Collaborative from @anhacademy.bsky.social, I was fortunate to catch the great Gyedu-Blay Ambolley at +233 Jazz. Here is his magnificent take on John Coltrane's A Love Supreme: www.youtube.com/watch?v=xP1k.... Wow.
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ANH Academy Science-Policy Platform @anhacademy.bsky.social · 31/03/2026
📣 Applications open for Round 2 of the ANH Academy Competitive Research Grants! Funding impact & cost-effectiveness evaluations to support equitable consumption of safe, affordable, nutritious foods 🍏🌱🌍 Apply by 1 May 2026 → www.anh-academy.org/workstreams/...
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Will Masters @willmasters.bsky.social · 03/04/2026
Condolences to Erroll Schweitzer -- and big thanks to him for this thoughtful assessment of NYC's plan to improve food access through five city-owned grocery stores:
open.substack.com
Grocery Update #147: Three Ways New York’s Public Grocery Experiment Could Fail.
The Mamdani Administration’s Pilot Faces Structural Dangers That Have Nothing To Do With Whether Public Groceries Are A Good Idea.
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Will Masters @willmasters.bsky.social · 07/03/2026
The American singer-songwriter tradition at its best: here's my stepdad at the iconic Dan & Whit's general store in Norwich, VT
substack.com
PHIL BUSH 6 songs
Recorded by Chad Finer Upstairs at Dan &Whit's Feb 15, 2026
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Will Masters @willmasters.bsky.social · 21/02/2026
Thank you to Ed Mabaya for hosting this talk on Food Prices for Nutrition -- my best effort at showing how and why the FAO, World Bank and national governments are measuring access to healthy diets in a new way, featuring links between @cornelluniversity.bsky.social & @tuftsnutrition.bsky.social.
youtube.com
Cost and affordability of healthy diets: Adoption and use of a new food security metric worldwide
YouTube video by Cornell Global Development
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Ben Chrisinger @bchrisinger.bsky.social · 03/02/2026
Great analysis and resource on food prices resource from @willmasters.bsky.social @tuftsnutrition.bsky.social. As with many things MAHA, a mixed bag. Via @sarah-todd.bsky.social @statnews.com
statnews.com
MAHA says its new food pyramid is affordable and healthy. We asked experts
How affordable are the new dietary guidelines? Economists and nutrition experts weigh in.
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Tamar Haspel @tamarhaspel.bsky.social · 29/01/2026
Heartiest of congratulations to @willmasters.bsky.social, whose work on food & ag I value very much.
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Friedman School of Nutrition Science and Policy @tuftsnutrition.bsky.social · 28/01/2026
William A. Masters has been awarded the 2026 Georg and Greta Borgström Prize for Global Food Security 🏆 His work brings economics, agriculture, and nutrition together to make healthy diets more affordable worldwide. 🔗 Read more: bit.ly/4jWQpre
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Parke Wilde @parkewilde.bsky.social · 10/12/2025
Yan Bai, Elena Martinez, Anna Herforth, @willmasters.bsky.social (at @tuftsnutrition.bsky.social) and others have an insightful article with information-dense graphics in Nature Food this week, comparing low-cost to climate-friendly food options internationally. www.nature.com/articles/s43...
nature.com
Environmental impacts and monetary costs of healthy diets worldwide - Nature Food
Identifying low-cost options for a healthy diet is an essential step towards allowing all people to meet their nutritional needs. This study measures the frontiers of the lowest available cost and gre...
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Parke Wilde @parkewilde.bsky.social · 03/12/2025
The nicely annotated recording of the webinar on Nov 20 with Prof. Norbert Wilson of Duke University @dukewfpc.bsky.social, about the recent end of the USDA nationally representative household food security survey, now has been posted. wfpc.sanford.duke.edu/webinar-what...
wfpc.sanford.duke.edu
Webinar: What We Lose as USDA Household Food Security Reporting Ends - World Food Policy Center
Overview On November, 20, 2025, Duke’s World Food Policy Center hosted an in-depth webinar on a major policy shift by the US Department of Agriculture:…
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Will Masters @willmasters.bsky.social · 03/12/2025
Want to see a circular bioeconomy, with minimal food waste and max energy recycling? I learned a lot from this amazing story about ruthless efficiency in pursuit of customer service:
economist.com
Mise en masse
How do you prepare 100,000 meals at sea?
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Parke Wilde @parkewilde.bsky.social · 31/10/2025
My colleague @willmasters.bsky.social and I had a nice conversation with Norbert Wilson at @dukewfpc.bsky.social about least cost diets in the United States and internationally, with implications for understanding SNAP in the US and world hunger. wfpc.sanford.duke.edu/podcasts/how...
wfpc.sanford.duke.edu
E286: How 'least cost diet' models fuel food security policy - World Food Policy Center
Governments use something called a ‘least cost diet’ to monitor food access, inform policy discussions, and target interventions to improve food security and nutrition. So, what is the least cost diet...
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Will Masters @willmasters.bsky.social · 15/10/2025
Thanks to Pablo Rosado of @ourworldindata.org for a clear, vivid explanation of what #FoodPricesForNutrition metrics reveal about healthy diet costs and affordability. The original data are posted at www.fao.org/faostat/en/#... & worldbank.org/foodpricesfo..., from sites.tufts.edu/foodpricesfo...
ourworldindata.org
Almost three billion people cannot afford a healthy diet
A healthy, nutritious diet is much more expensive than a calorie sufficient one.
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Will Masters @willmasters.bsky.social · 05/10/2025
The tomato theory of everything 1/3
bostonglobe.com
Winter is coming. So are tariff-induced price hikes on tomatoes and other produce. - The Boston Globe
A rise in produce prices could be a sign of higher costs to come as President Trump’s tariffs on imported food become more significant.
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Will Masters @willmasters.bsky.social · 05/10/2025
Just finished the superb new book from @juliabelluz.bsky.social and @kevinh-phd.bsky.social. Crystal clear storytelling about the new science of nutrition, summarizing what we learn at top schools like @tuftsnutrition.bsky.social. It's a timely antidote to snake oil & vibes--highly recommended!
penguinrandomhouse.com
Food Intelligence by Julia Belluz, Kevin Hall, PhD: 9780593332306 | PenguinRandomHouse.com: Books
“Food Intelligence dispels many popular myths we have about weight loss and breaks down the real drivers of the obesity crisis based on decades of research. I really hope everyone gets a chance to...
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Will Masters @willmasters.bsky.social · 21/09/2025
The U.S. food security data to be cancelled by Trump's USDA has been of huge value but is often misunderstood -- and the WSJ piece breaking the news is exceptionally clear about what's at stake
wsj.com
Exclusive | Trump Administration Cancels Annual Hunger Survey
The government has been measuring food insecurity since the mid-1990s but now says the report has become “overly politicized.”
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Will Masters @willmasters.bsky.social · 31/08/2025
Great piece from @henrymance.ft.com on a surprising way in which people have turned away from idealism: fewer online searches for "vegan". Data in the next post... 1/2
on.ft.com
Why the vegans lost
Veganism didn’t become less good for us or the planet, so what changed?
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Will Masters @willmasters.bsky.social · 23/08/2025
Big new paper shows limits to the common belief that healthy & sustainable foods are more expensive than other options. Details: linkedin.com/posts/wamast... Article: doi.org/10.1016/j.aj... Preprint: sites.tufts.edu/foodpricesfo... From @tuftsnutrition.bsky.social, for #foodsky #econsky #foodecon
Screenshot of AJCN articleSlide of data showing higher CO2-equivalent emissions from more expensive options within major food groups Slide of data showing varied or no correlation between retail price and nutritional profile score of widely sold items within major food groups
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Will Masters @willmasters.bsky.social · 20/08/2025
It looks like healthy adults under 65 in the U.S. might be barred from getting the updated Covid vaccine for this fall. Here's the latest from my niece Nina Masters' Know Your Vax substack, in response to the story below from Caitlin Rivers @cmyeaton.bsky.social
knowyourvax.com
Now It’s Personal: Changes to Vaccine Policy Affect All of Us
I had a painful experience at my local CVS this morning. I went in to get my flu shot and saw a pregnant woman standing at the pharmacy counter. She asked for last year’s formulation of the COVID-1…
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Will Masters @willmasters.bsky.social · 20/08/2025
Marion Nestle just posted a useful roundup of links about the leaked draft MAHA report here: www.foodpolitics.com/2025/08/http... So far MAHA is playing out somewhat like Italy's right-wing gastronationalism, which distracts food activists with symbolic stuff so as to give industry gets a free hand.
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Parke Wilde @parkewilde.bsky.social · 18/08/2025
Sailing on Boston Harbor on a breezy summer afternoon with @willmasters.bsky.social, practicing dropping and raising the anchor, and, for conversation, in our imagination, solving global food systems challenges.
Selfie with two men on a sailboat on Boston Harbor, with the Boston skyline in the background.
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Parke Wilde @parkewilde.bsky.social · 16/08/2025
As ABC News @max-zahn.bsky.social reports, producer prices for vegetables jumped nearly 40% in one month. Tariffs? Supply hiccups due to immigration crackdown on farm laborers? Weather? Or random noise? Let's monitor vegetable prices in the next two months to see. abcnews.go.com/Business/tar...
abcnews.go.com
Are tariffs to blame for nearly 40% spike in wholesale vegetable prices? Experts weigh in
The wholesale-price spike may eventually hike prices for shoppers, experts said.
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Richard Waite @waiterich.bsky.social · 16/08/2025
Remember all of the “food prices are too high” social media posts from 2024? Grocery price inflation is higher now than it was then
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David L. Ortega @dlortega.bsky.social · 15/08/2025
Wholesale prices came in hot in today’s PPI report, but veggies stole the show 🥦📈 Vegetable prices at the wholesale level surged nearly 39% in July. @willmasters.bsky.social & I unpack what’s behind this spike in today's @marketplace.org 🎙️ www.marketplace.org/story/2025/0...
marketplace.org
Why are wholesale vegetable prices spiking, and what's that mean for consumers?
About a quarter of the 3.3% price increase recorded by this month’s producer price index was driven by a spike in wholesale prices for veggies.
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Will Masters @willmasters.bsky.social · 13/08/2025
For university courses about #FoodEconomics, a full set of class slides, weekly exercises, & exams is now available for use with the free online textbook from @afinaret.bsky.social and me. Audience is advanced undergrads and first-year grad students using graphical diagrams, examples and global data
sites.tufts.edu
Teaching resources – Food Economics
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Will Masters @willmasters.bsky.social · 12/08/2025
Today's U.S. CPI shows grocery price inflation rising and above 2% year-on-year since March 2025, after the period of low grocery price rises in 2023-24. This FRED chart shows rise in grocery inflation (green) vs restaurant meals (red) and the overall CPI (blue): fred.stlouisfed.org/graph/?g=1LgBF
fred.stlouisfed.org
FRED Graph
FRED Graph
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Will Masters @willmasters.bsky.social · 29/07/2025
This year's #AAEA2025 coincides with launch of the UN system's #SOFI2025 report on The State of Food Security and Nutrition in the World. Beyond diet costs and affordability, this year's report includes new work from @tuftsnutrition.bsky.social and @fao.org on relative cost of different foods:
openknowledge.fao.org
3.4 Price inflation of nutrient-dense foods relative to other foods: Are there differences?
This report documents how high food price inflation is associated with increases in food insecurity and child malnutrition.
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Will Masters @willmasters.bsky.social · 29/07/2025
Yesterday's launch of #SOFI2025 marks the 4th annual update of global diet cost and affordability data published jointly by FAO and the World Bank, used by UN agencies and national governments as a clear and actionable new metric of global food security. Direct link to the report is here:
openknowledge.fao.org
2.2 Cost and affordability of a healthy diet
This report documents how high food price inflation is associated with increases in food insecurity and child malnutrition.
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Will Masters @willmasters.bsky.social · 26/07/2025
Big thanks to #ABCDE2025 for an amazing 4 days blending new research with big-picture debate on global development in this era of political change. Here's their video of my 15-min summary of #FoodPricesForNutrition, on whether & how agriculture can meet health needs: www.youtube.com/live/AEV4YE1...
Screenshot of the World Bank's Preston Auditorium for the Annual Bank Conference on Development Economics, July 25th 2025
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David Evans @daveevansphd.bsky.social · 25/07/2025
Will Masters of Tufts University shows how a well-crafted indicator (in this case, the lowest cost of a healthy diet) can actively inform civil society discussion. For more, read his paper www.sciencedirect.com/science/arti... #ABCDE2025
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Will Masters @willmasters.bsky.social · 24/07/2025
Great storytelling about agricultural innovation from @kimseverson.bsky.social. The context is a taxpayer-funded public institution doing modern genetics that helps millions of people, but the story is framed as a branded treat from a cute couple at the bucolic-sounding Wild Peanut Lab. Genius!
nytimes.com
How an M&M Sparked the Search for the Next Perfect Peanut
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Julia Belluz @juliabelluz.bsky.social · 16/07/2025
Many moons ago, @kevinh-phd.bsky.social and I talked about a book we wished existed. No fads, no weight loss hacks, no fear-mongering -- just the science of how food works in your body. Thrilled to share that we wrote it! Out September 23, pre-oder here: www.penguinrandomhouse.com/books/671334...
penguinrandomhouse.com
Food Intelligence by Julia Belluz, Kevin Hall, PhD: 9780593332306 | PenguinRandomHouse.com: Books
The essential guide for understanding what you’re eating, and the forces that are driving you to eat it. Nutrition isn’t rocket science; it’s harder. There are new diet fads, bold...
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Parke Wilde @parkewilde.bsky.social · 07/07/2025
‪Learning to sail small open boats for ocean voyaging, propelled by an upbeat vision of prosperity under conditions of sharp decarbonization, here is a video from Boston Harbor yesterday with friends. Film by @willmasters.bsky.social. #ClimateAction youtu.be/MtBm289wmtU?...
youtu.be
Boston Harbor sailing July 2025
YouTube video by Parke Wilde
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Will Masters @willmasters.bsky.social · 07/07/2025
New paper links emotions in artwork to socioeconomic conditions over >500 years. One finding: in W. Europe, paintings got cheerier in the decades after more favorable climatic conditions. Great big-picture stuff from @heblich.bsky.social, w/ C. Gorin & Y. Zylberberg: www.nber.org/papers/w33976
Chart of average temperature and associated emotions expressed in paintings, as measured by "State of the Art: Economic Development Through the Lens of Paintings" by Clément Gorin, Stephan Heblich, and Yanos ZylberbergImages of artwork and their associated emotions, as measured in the paper entitled "State of the Art: Economic Development Through the Lens of Paintings" by Clément Gorin, Stephan Heblich, and Yanos Zylberberg
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Will Masters @willmasters.bsky.social · 04/07/2025
Brief review article out today in Food Policy traces the rapid adoption of least-cost diets for monitoring food access. Paper: authors.elsevier.com/a/1lND015oGp... Project: sites.tufts.edu/foodpricesfo... Something new, from @tuftsnutrition.bsky.social + many others as shown by google ngram data:
Screenshot of data from Google Ngrams showing word frequency for use of "least-cost diet", "cost of a healthy diet" and related phrases
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Will Masters @willmasters.bsky.social · 01/07/2025
Thank you to @lacastanon.bsky.social for wonderful piece explaining the work of #FoodPricesForNutrition. It's a hot summer of new stuff from @tuftsnutrition.bsky.social, helping farmers and food suppliers meet health needs in the U.S. and worldwide.
now.tufts.edu
Who in the World Can Afford Healthy Food?
Researchers at the Food Prices for Nutrition project at the Friedman School of Nutrition Science and Policy at Tufts Universty are measuring the cost of the cheapest, locally available ingredients for...
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Will Masters @willmasters.bsky.social · 28/06/2025
A blowout vote to tighten the Jones Act, requiring ALL ocean cargo to use US flag vessels... if it's "procured, furnished, or financed" by the Dept of Transportation. The DOT doesn't do that so maybe the bill is just theater--but it's ugly. Thumbs up @repauchincloss.bsky.social for a principled no
govtrack.us
H.R. 2035: American Cargo for American Ships Act -- House Vote #157 -- June 9, 2025
House Vote #157 in 2025, in the United States Congress.
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Will Masters @willmasters.bsky.social · 27/06/2025
Supermarket chains have long used land restrictions to block the entry of other grocery stores, forcing consumers to pay more and travel further. This kind of food desertification was found by law student Karissa Kang (thecounter.org/supermarket-...), now @clairek.bsky.social shows how it might end
foodandpower.net
Lawsuit Alleges Deed Restriction Gave Albertsons a Local Monopoly — Food & Power
Grocery chains use little known property controls to prevent competition from moving in next door or into their store after they’re gone.
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Will Masters @willmasters.bsky.social · 27/06/2025
Another way they're raising food prices: on Friday June 13th, EPA required use of even more soybeans in diesel fuel. Bulk edible oil prices jumped 9% on the news. Burning crops as fuel is bad for all except growers & processors, who cheered. h/t Aaron Smith agdatanews.substack.com/p/a-big-win-...
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Michael Grunwald @mikegrunwald.bsky.social · 24/06/2025
Whoa, @elizkolbert.bsky.social did a deep dive into WE ARE EATING THE EARTH in @newyorker.com! I'm grateful that she called me an "engaging storyteller" but mostly I'm grateful that she really grappled with this stuff. I want people to grapple. www.newyorker.com/magazine/202...
newyorker.com
Do We Need Another Green Revolution?
As the global population grows, we’ll have to find ways of feeding the planet without accelerating climate change.
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Laura K Gee @laurakgee.bsky.social · 18/06/2025
Tufts University is thrilled to host the North East Development Consortium (NEUDC) Conference on November 8-9, 2025! 📝 Call for Papers: Submissions start June 16, and end August 17. Submit your papers here: editorialexpress.com/cgi-bin/conf... More details to come! #NEUDC #NEUDC2025
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Will Masters @willmasters.bsky.social · 17/06/2025
A new World Bank blog post explains how the #HealthyDietBasket allows us to track #FoodPricesForNutrition around the world: blogs.worldbank.org/en/opendata/... We'll have more on this at the #ABCDE conference on July 25th, in the @cgdev.org session on ag & food: www.worldbank.org/en/events/20...
Infographic explanation of the Healthy Diet Basket targets used to measure food security around the world
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Andrea Cattaneo @andrcatt.bsky.social · 11/06/2025
1/ 🚀Big Update❗❗ Last year we published @NatCities, a systematic analysis of how countries are organized around multiple urban centres. That geospatial dataset is very complex. So we just launched the City-Region Explorer🔎... an easy to use platform for analysis. 🧵 #EconSky #Geography #GISChat
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Will Masters @willmasters.bsky.social · 10/06/2025
If you #TeachEcon and cover agriculture & nutrition, on Monday June 16th we'll have a big online ANH Learning Lab online with @afinaret.bsky.social about #FoodEconomics. Textbook etc. is here: sites.tufts.edu/foodeconomics, and link below to free registration at @anhacademy.bsky.social:
anh-academy.org
Learning Lab: Teaching food economics for agriculture, nutrition, and health
Economics offers powerful tools to build skills and solve problems in the food system, but ANH Academy members often have little or no knowledge of how economics could help them reach their career goa...
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Will Masters @willmasters.bsky.social · 09/06/2025
Great story by @peterslevin.bsky.social tracing how agricultural research in Africa helps U.S. farmers. Starts with aphid-resistant sorghum in Kansas, then other reasons we created these programs in the first place; features Tim Dalton (my first PhD student!), Dave Tschirley & other #FoodEcon folks
newyorker.com
The Farmers Harmed by the Trump Administration
Four months ago, the government cut funding to agricultural labs. Kansas farmers and researchers say they can see the damage.
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Will Masters @willmasters.bsky.social · 07/06/2025
A fulfilling escape: just finished reading So Very Small, on the slow then sudden rise of germ theory, antibiotics & vaccination. The deadly dance between people and bugs is riveting when told by @tomlevenson.bsky.social, and touches us all: My dad was saved by early sulfa drugs in Boston c. 1938
Cover of So Very Small, a book by Tom Levenson
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