Chengyao Sun

@chengyaosun.bsky.social

I study consumer behavior and decision-making: chengyaosun.com When I’m not studying consumer decisions, I often make questionable ones of my own by buying old and unnecessary things. Then I write a blog to justify them: extrastuff.substack.com

My friend is teaching to his Economics Ph.D. students and explaining why they should be interested in topics that are not in their subfield. The friend asked for statements about why learning from other fields is good. Here was my answer: " Five things:

I’m offering a lightly used set of regalia in UC Berkeley colors to a junior faculty member, preference for a mom and 1st gen scholar. DM me your details— I’ll ship for free.

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A good general epistemic rule of thumb: If you have spent a few hours or weeks studying an area large numbers of smart, educated people have worked in for decades, and you believe you have discoverer an earthshattering truth they all missed, your default should be to regard this as VERY unlikely.

Will Stancil@whstancil.bsky.social · last yr.

Elon Musk is an idiot on an almost inconceivable scale. He had his high-school toadies pull a random list from a database he doesn’t understand, and on that basis alone decided that 60 MILLION SOCIAL SECURITY ENROLLEES, out of 72 million total, are fraudulent. 83% fraudulent!

As someone trained as a trade economist, it is my duty to share the 1929-1933 Kindleberger Spiral, showing the month-month decline in global trade due to the combined factors of the (global) Great Depression and retaliatory tariffs. Smooth Hawley is implemented mid-June 1930.

Kindleberger Spiral is an inward spiral, visualizing the steady collapse of world trade.

One of the best things you can do right now is read books. Buy them. Borrow them from the library. Gift them. Read history. Read fiction. Read science writing. Read anything that shows you the world is bigger than what fascists say it is. Read to remember why your resistance matters. 📚💙

Our lack of good deep psychological measures of human creativity, reasoning, empathy, etc. is really a problem in AI right now. A lot of tests that were "good enough" for human research (RAT for creativity, Seeing the Mind in The Eyes for empathy) are not robust enough to be benchmarks for AI.