Herbert Chang 張賀鈞
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herbertchang.bsky.social
Herbert Chang 張賀鈞
@herbertchang.bsky.social
Assistant Professor of Quantitative Social Science @Dartmouth //
I study how AI & algorithms reshape human networks //
Prev. @USCAnnenberg //
💵 Cat owners > Dog owners in total donations.
One reason: the urban–rural divide—cats are more common in high-cost-of-living cities, where donation levels are higher overall.
September 26, 2025 at 2:27 PM
💵 Cat owners donate more frequently and to a wider variety of causes. This may be linked to higher psychological openness and neuroticism often associated with cat people.
September 26, 2025 at 2:27 PM
💵 Non-pet owners give the most money overall—but they give less frequently and to fewer causes.
September 26, 2025 at 2:27 PM
𝐍𝐞𝐰 𝐏𝐚𝐩𝐞𝐫 Alert! Are you a #dog person or a #cat person? Since the dawn of time, we have debated their superiority… but your answer reveals how you give to charity.
I analyzed 787M donations ($69B) across 10 years. A thread 🧵

Paper: www.tandfonline.com/doi/metrics/...
September 26, 2025 at 2:27 PM
2/ Liberals also amplify toxic tweets—especially when Democrats criticize Republicans. However, when Conservatives avoid toxic content, when sourced from Democrats.
August 8, 2025 at 3:37 PM
1/ Liberals retweet both Democrat and Republican lawmakers—across many issues.
Conservatives, by contrast, mostly share Republican-owned content.
August 8, 2025 at 3:37 PM
Some highlights from the data. Corrupt countries or where asset confiscation is likely, elites use diversification.

And paradoxically: strong democracies = some form of identity concealment.
July 17, 2025 at 2:35 PM
Elites don’t just stash money in tax havens—they strategically choose how and where to hide it.

We find three main “secrecy strategies”:

1. Diversify assets across jurisdictions

2. Conceal identity (nominees, bearer shares)

3. Use blacklisted havens despite stigma
July 17, 2025 at 2:35 PM
Incredibly proud to be part of @mingyuezha.bsky.social top paper at #ica25!

If you’re interested in using game theory to quantify collaboration dynamics, she’ll be presenting this at #Cysoc #ICWSM in Copenhagen tomorrow, please swing by!

Full paper: lnkd.in/gegvA4g7
June 22, 2025 at 3:53 PM
Thrilled to be on Forbes Under 30 for Science!

(Still getting used to Bluesky 🥳 😅 )
December 2, 2023 at 1:56 AM