The book is now online! While logged in at your university, if you go here and click on "Download book PDF", you can freely download the book PDF: link.springer.com/chapter/10.1...

Governments spent US$956 billion on net fossil fuel subsidies in 2023, more than triple the annual amount pledged to support climate-vulnerable countries. Fifteen countries spent more subsidizing fossil fuels than on their entire national health budgets. @thelancet.com www.who.int/news/item/29...

📖 Excited to be checking the proofs for my new book: "Data Science MBA: Big Data, Digitalization, and Strategy; with applications in R" Published by Springer Coming out before the end of 2025! If your library has a deal with Springer, it will be free to download the PDF

ICYMI fascinating evidence from Ashraf et al: "The Inverted U-Shaped Relationship between Female Entrepreneurship and Economic Development" Maximizing the number of female entrepreneurs could be the wrong policy target! 🧵...

🎓📈 New paper: “The company I keep is not corporate enough”: exploring the specificities of University startups. published in JTT, Open Access! 📺 This short video summarizes some of the ideas [12m32] youtu.be/HKyU0GSL3BU LINK to the paper: doi.org/10.1007/s109... #EconSky #Entrepreneurship

‘Planetary health diet’ could save 40,000 deaths a day, landmark report finds - Diet allows modest meat consumption and would also slash food-related climate emissions by half, says report by 70 leading experts from 35 countries Story by me www.theguardian.com/environment/...

📢 Out now! Open Access Coad A., @stjepan-srhoj.bsky.social , (2025). "Entrepreneurial ecosystems and the persistence of regional high-growth firm shares: A reply to van Dijk, Leendertse, Stam, and van Rijnsoever (2025)." Research Policy, forthcoming. doi.org/10.1016/j.re... 🧵

📢 Now out! Martins-Neto & Coad (2025). Planning ahead or dragging one’s feet? Organizational structure & high-growth events. Small Business Economics. 📺 This short video summarizes the main ideas [8m25] youtu.be/ysbQz9IgEP8 OPEN ACCESS, free to download: doi.org/10.1007/s111... #EconSky

📢📢 SBEJ 4th Online Conference for Early Career Researchers @Small Business Economics: An Entrepreneurship Journal Friday December 5, 2025, 1pm (London, UK time). Submit your 3-page abstract by Sunday 9th Nov. 🔗 Submit & register here: bit.ly/SBEJ-ECR #Econsky #entrepreneurship

🚨 𝗙𝗶𝗻𝗮𝗹 𝗥𝗲𝗺𝗶𝗻𝗱𝗲𝗿 – One Week Left to Submit: #CDSM2025 🚨 📅 𝗡𝗼𝘃 𝟭𝟮–𝟭𝟯, 𝟮𝟬𝟮𝟱 (Virtual) 📥 Submission Deadline: 𝗦𝗲𝗽𝘁 𝟯𝟬, 𝟮𝟬𝟮𝟱 We welcome: ✅ Presentation proposals ✅ Extended abstracts ✅ Full papers 📧 𝗦𝘂𝗯𝗺𝗶𝘁 𝘁𝗼: [email protected] 🌐 Register or learn more: www.causalscience.org

📢 Book Review in TASM, with my PhD student Yi TAO: The Management of Innovation: Managing and Creating Technology Capital [by Alberto Galasso] 50 free copies available here: www.tandfonline.com/eprint/WKHAF...

For reference, here are p/e ratios of some other major companies: Toyota (largest carmaker): 8.9 Ferrari (most profitable): 48.8 Nvidia (biggest market cap): 50.8 Saudi Aramco (most profitable): 14.8 Apple: 35 Meta: 27.3 Amazon: 35.1 Tesla is a bubble waiting to burst. We are the 📍 #teslatakedown

ICYMI: "Aviation now contributes a greater share of total UK emissions than the entire electricity supply sector. Continued emissions growth in this sector could put future targets at risk." ...said the Climate Change Committee (CCC) in their 2025 progress report www.theccc.org.uk/publication/...

📢📢 Now out! JTT SI on "Critical Perspectives on Entrepreneurial Ecosystems" w/ Clemens Domnick, Pietro Santoleri, and @stjepan-srhoj.bsky.social Link to our SI Editorial: doi.org/10.1007/s109... Full-text view-only version: rdcu.be/eBOHy 6 papers were in the SI 🧵

Tesla's fourth "Master Plan" tells us nothing about the company's future. But it says plenty about the present. It has only been two years since Master Plan III. If Tesla’s underlying business was going well, Musk wouldn’t need to ring this bell so often. open.substack.com/pub/davekarp...

I love that it just immediately runs off the road... trillion dollar company, clearly on the brink of solving self-driving forever

🏫 University startups ≠ corporate startups A new review shows academic entrepreneurs face unique hurdles; unlike corporate founders they must reinvent their identity to succeed in the market. 🔗 link.springer.com/article/10.1... #SciComm #HigherEd 🧪

📢 New(ish) in JTT [Open Access]: "“The company I keep is not corporate enough”: exploring the specificities of University startups" link.springer.com/article/10.1... If univ. startups have the best scientific knowledge, & big support from universities, why do they often underperform? #EconSky

I attended one of the last iterations and it was a great. We received a ton of great feedback on our paper from the journal editors and others in the audience. I can highly recommend the event!

📢📢Research Policy 10th online conference for Early Career Researchers! Fri 3rd October 2025, 2-4pm (UK time) Submit a 3 page abstract by Sun 31st August Link for submitting: forms.gle/GdvPaEq4seZt... #EconSky

What a fantastic accomplishment -- and what a fantastic story! www.quantamagazine.org/at-17-hannah...

"We want you to go from highway on-ramp to highway off-ramp, without touching the controls, in the next 12 months" (Elon Musk June 29, 2014) German highway last month: (Tesla driver died on the spot) www.bild.de/regional/sch...

Dashcam from “full self-driving” Tesla shows crash resulting in death, life-altering injuries for those NOT driving the Tesla. How our politicians can continue allowing this scam software on public roads is beyond me. Get it off our streets! www.dailymail.co.uk/news/article... #BoycottTesla

🚨Free data alert!! 🚨 Please share. Large new dataset of Amazon product reviews, including full text and photos and product characteristics, with individual *reviews labeled as fake reviews*. I believe this is the first publicly available data of this kind. github.com/bretthollenb...

An international call for action just got louder: Today, 7 Nobel Laureates have issued a powerful call for a minimum tax on the ultra-wealthy in Le Monde Here’s a quick breakdown of the debate—and where things stand globally 🧵 www.lemonde.fr/en/opinion/a...

@royalsociety.org‬ here is your man, Elon Musk.

📺 "An Introduction to Lasso: with an example in R" Video I made, applying Lasso to Innovation Scoreboard data: youtu.be/TDNN74qw70A [17m47]

Emissions are not distributed equally. Just 5% of power plants generate 75% of power sector emissions; 12% of people consume half the beef produced; 2% of aviation emissions come from the 0.003% who are (private jet users; etc. What a great opportunity for targeted reductions!

📢📢"Does Africa need entrepreneurial ecosystems thinking?" New paper in JTT [Open Access] with Clemens Domnick, Pietro Santoleri, and @stjepan-srhoj.bsky.social‬ #EconSky Paper: doi.org/10.1007/s109... Youtube video [7m15]: youtu.be/02DSS003Kb4

"The person in the driver's seat is only there for legal reasons. He is not doing anything. The car is driving itself" (Elon Musk, October 20 2016) Your new 2025 Tesla model 3 on Fautopilot last week:

📢📢"Gestation, endowments, & knowledge flows around the time of venture creation" New paper in JEE [Open Access] with @mst-kato.bsky.social‬ and @stjepan-srhoj.bsky.social‬ Paper: doi.org/10.1007/s001... Youtube video [8m44]: youtu.be/IxcSfaoTGbE

If we’re going to have a tit-for-tat services trade war, a Europe-wide ban on Trumpist tech bros (X, Facebook) might be a good place to start.

... and now published, in vol 59, issue 1 😊 www.tandfonline.com/doi/full/10....

"There are no coincidences" euroweeklynews.com/2016/04/29/t...

New book with Wessel Reijers and Mark T. Young! link.springer.com/book/10.1007...

Just posted updated version of our DID textbook! We now have drafts of all chapters, including the one on general designs! Now you can tell your friends still on X that they are DID-outdated :-) Happy easter for those of you that celebrate it. papers.ssrn.com/sol3/papers....

ICYMI: an excellent critical review of QCA research. Rönkkö, Maula, & @karlwennberg.bsky.social in ETP: DOI: 10.1177/10422587251315654 QCA is a pre-processing step for QUALITATIVE research, not for quantitative research. (A clue is in the name: QUALitative Comparative Analysis) 🧵

cybertruck drivers out here catching the double bird FROM OTHER TESLA DRIVERS 💀💀

I have already decided not to come to the US for conferences or talks anymore for the time being. This is particularly painful as I used to live there (for 12 years)...

London 🇬🇧👀

The 2025 Global Award for Entrepreneurship Research goes to Professor Dean Shepherd, Notre Dame University. He is awarded the world's foremost entrepreneurship research prize, which includes €100,000. Professor Shepherd is to receive the prize from Sweden's Prince Daniel in Stockholm June 2nd.

UNU-MERIT is hiring a Postdoc in AI Innovation Trajectories. Work within a multidisciplinary team to map and analyse AI innovation pathways using NLP—focusing on their societal impact, especially in sectors like agriculture. 🗓️ Apply by 13 April 2025 🔗 go.unu.edu/m93fc

I don't think a single example of Attenborough-narrated Cybertruck content has ever failed to get a chuckle out of me

Pointless to waste your time trying to change the Nazi bartender's mind.

Tesla robotaxis in June 👍👍👍 www.youtube.com/watch?v=_6Do...

📢 Submit your abstracts by Sun 23rd March! 👇

“It’s not trying to revolutionise the space industry; if it were, its concept, design, and testing plan would be totally different. Instead, the entire project is optimised to fleece as much money from the US taxpayer as possible, and as such, that is all it will ever do.”

Oh no! Stan was wonderful. A really lovely guy. His 1994 JEE paper on evo selection is brilliant. I remember meeting him in 2006, & nervously suggesting that my empirical results did not line up with his theoretical model. I was expecting him to destroy me, but he didn't. A gentle giant. RIP Stan.

In case you weren't aware, Musk's maternal grandfather moved to South Africa in 1948, the year Apartheid was established, specifically to enjoy and support that racist system. Elon and his mother both left South Africa in 1989, when the last pro-Apartheid government (led by a family friend) fell.