Marginal Revolution

Small Steps Toward A Much Better World

 

Sunday assorted links
2025-07-13 16:14 UTC by Tyler Cowen

1. AI and government debt.  If real resources go up enough (a big if, admittedly), I think we are set.  I would not worry so much about the transfers embedded in real interest rates.  Furthermore, the key issues are those of political economy, namely whether U.S. repayment remains credible.  In the major scenarios, the debt-wealth remains doable even without AI.

2. Grok predicts the next Nobel Prize in economics.

3. “Latest data indicate that material from Europa’s subsurface ocean is interacting with charged particles at its surface.

4. LLMs calling each other names.

5. “Thousands of businesses and households are waiting to connect to the Dutch grid, forcing network operators to ration power in an early indicator of what other European countries are likely to suffer as the speed of electrification increases.” (FT)

6. “If everyone hypothetically went from having five kids to having four kids, that would mean one less sibling for each child. But it would yield a much bigger decrease in first cousins: Instead of a child having four aunts or uncles who each have five kids—20 cousins—they would have three aunts or uncles who each have four kids, for a total of 12.”  Atlantic link here.  And: “Only about 6 percent of adult cousins live in the same census tract (typically about the size of a neighborhood); the rest live an average of 237 miles apart.”

7. A left-wing essay on right-wing sports commentary.

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