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The Marginal Revolution: Rise and Decline, and the Pending AI Revolution
The most important idea in economics is being automated out of existence — and that might be the most important economic insight of our time.

ABOUT
Tyler traces the birth, triumph, and quiet decline of marginalism — the idea that made modern economics possible. Beginning with the 1871 Marginal Revolution and ending with the AI tools transforming research today, this is a book about how ideas are born, why they take so long to arrive, and what happens when machines begin to see around corners that humans cannot.
A Generative Book
Read It or Explore It – The Choice Is Yours
Every word of the generative book is Tyler’s and can be read in the traditional way, but you’re encouraged to use AI as an alternate way to absorb the ideas in the text, understand their deeper context, and follow your curiosity wherever it leads. Use the integrated AI assistant, or download the text and upload it in the AI tool of your choice.
Search & Summarize
Ask questions about what’s in the text, generate your own index, and surface connections across chapters you might otherwise miss.
Examine and Debate
Steelman an argument, challenge a claim, and contrast Tyler’s thinking with the public intellectual of your choice.
Pull The Thread
Find what else Tyler and others have written on a topic and let the text become a springboard into the broader intellectual landscape.