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by Alex Coad

coad.bsky.social
This is reminiscent of previous findings of a negative relationship between Self-Employment and GDP per capita:

Henrekson & Sanandaji:
doi.org/10.1073/pnas...
Percent self-employed on the vertical axis, log of per capita income on the horizontal axis. There is clearly a negative relationship.

by Alex Coad

coad.bsky.social
The share of female entrepreneurs first rises, then falls with national income

In higher-income countries, female entrepreneurs tend to have smaller firms in low-complexity sectors (e.g. due to discrimination), weakening the gains from female entrepreneurship

Link:
doi.org/10.1257/pand...
The Inverted U-Shaped Relationship between Female Entrepreneurship and Economic Development
(May 2025) - In the World Bank Enterprise Survey, the share of entrepreneurs who are women first rises and then falls with national income, while female labor force participation has the opposite U-sh...
doi.org
1

by Alex Coad

coad.bsky.social
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!

🧵...
"The Inverted U-Shaped Relationship between Female Entrepreneurship and Economic Development" The share of entrepreneurs who are women first rises & then falls with national income
1

by Alex Coad

coad.bsky.social
🎓📈 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
🎓📈New paper on University Startups: “The company I keep is not corporate enough”, Open Access in JTT
YouTube video by alexcoad1
youtu.be
1 1

Reposted by Alex Coad, Simon L. Lewis

dpcarrington.bsky.social
‘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/...
‘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
www.theguardian.com
4 51 140

by Alex Coad

coad.bsky.social
These two time series do NOT have the same degree of persistence!

#EconSky
#EntrepreneurialEcosystems
Fig. 3. van Dijk et al. (2025)’s indicator of persistence is unable to distinguish between extreme positive persistence (left) and extreme negative persistence (right). Notes: Measuring persistence using a first-order autoregressive model (like our eq. (4), but with only one first-order lag), we get ρ persistence on the left, and ρ = 0.8 for the case of positive = 1.00 for the case of negative persistence on the right. Van Dijk et al. (2025)’s indicator of “persistence” calculates the same score of - 0.3513642 for both the left and the right. R code is in the Online Supplementary Materials.

by Alex Coad

coad.bsky.social
Their timeline is not clear to us...
Pondering the timeline that underlies the analysis in van Dijk et al 2025
1

by Alex Coad

coad.bsky.social
The authors attempt to replicate our paper using three datasets, but we argue that none of the three is suitable for the task...
Table 1: datasets used in van Dijk et al 2025
1

by Alex Coad

coad.bsky.social
📢 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...

🧵
First page of this paper: Coad A., Srhoj S., (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. https://doi.org/10.1016/j.respol.2025.105325
1 1

by Alex Coad

coad.bsky.social
📢 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
📈 "Organizational structure & high-growth events"; Martins-Neto & Coad, Open Access @ SBE 2025
YouTube video by alexcoad1
youtu.be
1 4

by Alex Coad

coad.bsky.social
📢📢
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
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. Contact: sbej.ecr@gmail.com
1 5

Reposted by Alex Coad

p-hunermund.com
🚨 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
1 5 6

by Alex Coad

coad.bsky.social
📢 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...
The Management of Innovation: Managing and Creating Technology Capital
Published in Technology Analysis & Strategic Management (Ahead of Print, 2025)
www.tandfonline.com
1

Reposted by Alex Coad

teslatakedownla.bsky.social
TSLA price-earnings ratio: 235
1 1 10

by Alex Coad

coad.bsky.social
Paper #6

Giannozzi, A., Balzano, M., Magrini, A. and Marzi G.

The entrepreneur and the ecosystem: extending and operationalizing EE theory from an embeddedness perspective.

doi.org/10.1007/s109...
Giannozzi, A., Balzano, M., Magrini, A. and Marzi G. (2025). The entrepreneur and the ecosystem: extending and operationalizing EE theory from an embeddedness perspective. Journal of Technology Transfer, in press. https://doi.org/10.1007/s10961-025-10205-x

by Alex Coad

coad.bsky.social
Paper #5

@coad.bsky.social , Domnick, C., Santoleri, P., @stjepan-srhoj.bsky.social

Does Africa need entrepreneurial ecosystems thinking?

doi.org/10.1007/s109...
Coad, A., Domnick, C., Santoleri, P., Srhoj S., (2025). Does Africa need entrepreneurial ecosystems thinking?. Journal of Technology Transfer, in press. https://doi.org/10.1007/s10961-025-10213-x
1

by Alex Coad

coad.bsky.social
Paper #4

Naudé, W.

The African entrepreneurial ecosystem index: conceptual, methodological and empirical flaws and the way forward.

doi.org/10.1007/s109...
The African entrepreneurial ecosystem index: conceptual, methodological and empirical flaws and the way forward - The Journal of Technology Transfer
This paper identifies conceptual, methodological, and empirical flaws in the first African Entrepreneurial Ecosystem Index (AEEI). These flaws limit the usefulness of the AEEI. Moreover, given that th...
doi.org
1

by Alex Coad

coad.bsky.social
Paper #3

Cowling, M., Brown, R. & Yang, H.

Traversing the multiple nested geographies of NUTs based entrepreneurial ecosystems.

doi.org/10.1007/s109...
Fig. 3 RLS counts by NUTS levels Cowling, M., Brown, R. & Yang, H. (2025). Traversing the multiple nested geographies of NUTs based entrepreneurial ecosystems. Journal of Technology Transfer, in press. https://doi.org/10.1007/s10961-025-10207-9
1

by Alex Coad

coad.bsky.social
Paper #2

Du, J., Karoglou, M., Ri, A., & Zhang, L.

Knowledge spillovers, entrepreneurial ecosystems and the geography of high growth firms redux.

doi.org/10.1007/s109...
Du, J., Karoglou, M., Ri, A., & Zhang, L. (2025). Knowledge spillovers, entrepreneurial ecosystems and the geography of high growth firms redux. Journal of Technology Transfer, 1-64. https://doi.org/10.1007/s10961-025-10210-0
1

by Alex Coad

coad.bsky.social
Paper #1:

Richard T. Harrison,

“Close enough to speak; distant enough to learn?” Theory and the epistemology and ontology of the entrepreneurial ecosystem metaphor.

doi.org/10.1007/s109...
Harrison R. T. (2025). “Close enough to speak; distant enough to learn?” Theory and the epistemology and ontology of the entrepreneurial ecosystem metaphor. Journal of Technology Transfer, in press. https://doi.org/10.1007/s10961-025-10206-w
1

by Alex Coad

coad.bsky.social
📢📢 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

🧵
Coad, A., Domnick, C., Santoleri, P., & Srhoj, S. (2025). Critical perspectives on entrepreneurial ecosystems. Journal of Technology Transfer, 1-10. https://doi.org/10.1007/s10961-025-10267-x
1 3

Reposted by Alex Coad

davekarpf.bsky.social
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...
Tesla's Roadmap to Nowhere
I'll give him this: Elon Musk has a solid grasp of futurity-as-PR.
open.substack.com
7 23 160

Reposted by Alex Coad, Steve Peers

thomashansen.bsky.social
#Tesla #CyberTruck (Incel Inside®) with the deadly dangerous fraud Full Self Drive FSD

Runs straight into guard rail

Veers off road

(Thankfully driver was paying attention)

So, this probably marks the end of $TSLA #Autonowashing #Autopilot & #FSD lawsuits?

$TSLAQ
ht @stonkking4.bsky.social
6 43 120

by Alex Coad

coad.bsky.social
This paper takes a broad view: motivations, incentives, attitudes to promotion & authority, culture, reinventing one's identity as entrepreneur, characteristics of the knowledge base, problem-solving approaches, management practices, ... and even a bit of game theory!
Game theory, regarding the interactions between academia and industry. An application of the well-known ultimatum game.
3

by Alex Coad

coad.bsky.social
📢 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
Coad, A. (2025). “The company I keep is not corporate enough”: exploring the specificities of University startups. Journal of Technology Transfer, in press. https://doi.org/10.1007/s10961-025-10228-4
1 3

by Alex Coad — Reposted by María Savona

coad.bsky.social
Link to RP page:
www.sciencedirect.com/journal/rese...

@mariasavona.bsky.social
@maryannfeldman.bsky.social
@paulnightingale.bsky.social
@karogge.bsky.social‬
Webinars - Research Policy | ScienceDirect.com by Elsevier
Read the latest articles of Research Policy at ScienceDirect.com, Elsevier’s leading platform of peer-reviewed scholarly literature
www.sciencedirect.com
1

by Alex Coad — Reposted by Alex Coad, Aija Leiponen

coad.bsky.social
📢📢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
Research Policy, 10th online conference for Early Career Researchers. Submit your paper by Sun 31st August here: https://forms.gle/GdvPaEq4seZt4q266
1 7 11

Reposted by Alex Coad, Suresh Venkatasubramanian, Dean Eckles

stevenstrogatz.com
What a fantastic accomplishment -- and what a fantastic story! www.quantamagazine.org/at-17-hannah...
At 17, Hannah Cairo Solved a Major Math Mystery | Quanta Magazine
After finding the homeschooling life confining, the teen petitioned her way into a graduate class at Berkeley, where she ended up disproving a 40-year-old conjecture.
www.quantamagazine.org
6 92 320

by Sam Illingworth — Reposted by Alex Coad

samillingworth.com
🏫 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 🧪
“The company I keep is not corporate enough”: exploring the specificities of University startups - The Journal of Technology Transfer
If universities produce the best scientific research, should university startups produce the best entrepreneurs? The answer is no, when looking at the empirical evidence, and also (as done here) when ...
link.springer.com
3 11

Reposted by Alex Coad

niedermeyer.online
This is one of those weird Musk rabbit holes that I stumbled onto in 2022, but never had the time to dig into myself. Musk's relationship with NeuroVigil was publicly reported on as far back as at least 2018, but was somehow never mentioned in any Neuralink reporting.

bigthink.com/strange-maps...
Welcome to Muskworld, a map of Elon's interests
Musk is about more than Teslas and rockets.
bigthink.com
1 9 61

References

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