@wamasters profile picture
William A. Masters @wamasters

Prof. @tuftsnutrition, on economics of agriculture, food & nutrition. Photo is deepsprings.edu. Teaching blog: sites.tufts.edu/foodecon. Just like this IRL too.

Joined June 2009
  • Tweets 2,597
  • Following 1,543
  • Followers 2,918
705 Photos and videos
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William A. Masters@wamasters
16 Feb 2025
Career reset? Our MS programs allow students from any academic background to earn a STEM-designated degree @TuftsUniversity for impactful work in #agriculture, #nutrition & #health. Intro classes like my #FoodEconomics lead to high-value specializations nutrition.tufts.edu/academic…

Degree Specializations

nutrition.tufts.edu
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This podcast interview gives an unedited, 40-min summary of the big picture as I see it: open.spotify.com/episode/5ay… Thanks to David Introcaso @HealthcareIssue for deep-dive Q&A
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This talk on Food Prices for Nutrition is my best effort at a quick and entertaining summary of how & why @FAOstatistics, @worldbankdata, @NBS_Nigeria and others measure the Cost and Affordability of Healthy Diets, and what results imply for food choices youtube.com/watch?v=InEuX8Y2…

Cost and affordability of healthy diets: Adoption and use of a new...

Spring 2026 Harry ’51 and Joshua ’49 Tsujimoto Perspectives in Glob...

youtube.com
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William A. Masters retweeted
Craig Lawson
@Craig_at_FAO_UN
Feb 5
📢Attention policy people out there! 👉Join @FAO next Tuesday, 10 February 2026 at 3pm (CET/Rome time) as we take a major new step in scaling up country support to monitor – and hopefully lower – the Cost & Affordability of a Healthy Diet (CoAHD) at the national level. 🔗Register here➡️: fao.zoom.us/webinar/register… 👀See the flyer online: openknowledge.fao.org/handle… #CoAHD
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William A. Masters retweeted
Astha Vohra@astha_vohra29
15 Oct 2025
#NEUDC2025 is at @TuftsEconomics this Nov 8–9 🎓 Two days of cutting-edge work on development, climate, health & policy and more — with researchers from around the world 🌏 Registration closes Oct 17 → neudc2025.com #Economics #Research #Tufts #NEUDC #publicpolicy
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Thanks to Pablo Rosado of @OurWorldInData for a clear, vivid explanation of what #FoodPricesForNutrition metrics reveal about healthy diet costs and affordability. The best visualizations of results through 2024: ourworldindata.org/diet-affo…

Almost three billion people cannot afford a healthy diet

A healthy, nutritious diet is much more expensive than a calorie sufficient one.

ourworldindata.org
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Just posted, a brief & clear memo from @EconoFactOrg by @dwschanz on why the @USDA food security questionnaire is needed. The government's statement about why they plan to stop data collection is even shorter: usda.gov/about-usda/news/pre… but this is better: econofact.org/what-would-we-…

USDA Terminates Redundant Food Insecurity Survey

usda.gov
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Big new paper in @AJCNutrition shows limits to the common belief that healthy & sustainable foods are more expensive than other options. Details: linkedin.com/posts/wamasters… Article: doi.org/10.1016/j.ajcnut.202… Preprint: sites.tufts.edu/foodpricesfo… #econtwitter
Screenshot of article in AJCN

ALT Screenshot of article in AJCN

Slide showing correlation between higher food prices and larger environmental footprints in major food groups

ALT Slide showing correlation between higher food prices and larger environmental footprints in major food groups

Slide of data showing lack of correlation between retail food prices and the nutritional value of items within food groups

ALT Slide of data showing lack of correlation between retail food prices and the nutritional value of items within food groups
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For university courses about #FoodEconomics, a full set of class slides, exercises & exams is now available for use with our free online textbook, serving advanced undergrads and first-year grad students using diagrams, examples and global data. Info here: sites.tufts.edu/foodeconomic…
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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 data includes new work on relative cost of nutritional food groups openknowledge.fao.org/server…
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This week's launch of #SOFI2025 marks the 4th annual update of global diet cost and affordability data, 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/server…
Headline data from the 2025 report on The State of Food Security and Nutrition in the World

ALT Headline data from the 2025 report on The State of Food Security and Nutrition in the World

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William A. Masters retweeted
G!@OgSadik
24 Jul 2025
I am speaking at 2025 AAEA & WAEA Joint Annual Meeting. Please check out my talk if you're attending the event! #AAEA2025
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William A. Masters retweeted
David Evans@DaveEvansPhD
25 Jul 2025
Will Masters (@WAMasters) 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 sciencedirect.com/science/ar… #ABCDE2025
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William A. Masters retweeted
Center for Global Development
@CGDev
18 Jul 2025
July 25, 9 AM ET ➡️ Join @CGDev & @wb_research for an #ABCDE2025 panel on agricultural markets and nutrition. 📆 With: @cbb2cornell, @wamasters, @KibromTafere, Kathy Baylis, and Eeshani Kandpal. Register: link.cgdev.org/l/683263/2025…
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Latest on #FoodPricesForNutrition, a review article for the 50th anniversary of @_Food_Policy on rapid adoption since 2020 of least-cost diets for monitoring food access, globally by @FAO & @WorldBank or in countries by @NBS_Nigeria, @EPHIEthiopia etc.: authors.elsevier.com/a/1lND0…
Screenshot of figure showing Google Ngrams data on frequency of word use referencing least-cost healthy diets in English language reports and books

ALT Screenshot of figure showing Google Ngrams data on frequency of word use referencing least-cost healthy diets in English language reports and books

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William A. Masters retweeted
Andrew Revkin 🌎 ✍🏼 🪕 ☮️
@Revkin
11 Dec 2024
Such a great resource for ag /nutrition /food educators and students of any age! Just wrapped a wonderful #sustainwhat conversation on food realities and futures with globe-spanning food photographer @georgesteinmetz , @wamasters and @ameliafinaret! Link in reply. Here's an intro moment with George.
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William A. Masters@wamasters
14 May 2024
The #FoodEconomics textbook is up! Free to read online, for an accessible intro to changes in #agriculture, #nutrition and #health. The 1st half uses #food to teach #EconomicPrinciples, and the 2nd is lots of #DataViz with links to online data sources. link.springer.com/book/10.10…
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William A. Masters retweeted
VoxDev@vox_dev
20 Nov 2024
What can we learn from food economics? Last month on VoxDev, @wamasters @tuftsnutrition & @ameliafinaret @alleghenycol spoke to @timsvengali about their new, open access textbook on Food Economics and what we can learn from the subject: voxdev.org/topic/agriculture…
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Our new #Fellowships from @ANH_Academy offer a year of funding to bring recent #research into #policy decisions in #SubSaharanAfrica or #SouthAsia, via placement in a policy-making organization. Aim is healthier diets, less loss & waste climate & equity. anh-academy.org/science-poli…
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William A. Masters retweeted
Carbon Footprints👣🌍@CarbonFootpri17
1 Nov 2024
🌍Join upcoming Webinar! 🥗Global #Sustainable #DietaryTransition: Advances and Challenges 🗓️November 11, 2024 🎙️Chair: @CQU1929's Yi Yang 👥Speakers: @ColumbiaClimate’s Jessica Fanzo @TuftsNutrition's William Masters @CWRUSOM's Melissa Pflugh Prescott 🆓🔗oaepublish.com/webinars/cf.2…
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William A. Masters retweeted
VoxDev@vox_dev
23 Oct 2024
What can we learn from food economics? Last week on VoxDev, @wamasters @tuftsnutrition & @ameliafinaret @alleghenycol spoke to @timsvengali about their new, open access textbook on Food Economics and what we can learn from the subject: voxdev.org/topic/agriculture…
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