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Rajiv Sethi

Personal blog · rajivsethi.blogspot.comeconomics

Rajiv Sethi writes Imperfect Information, a personal blog at rajivsethi.blogspot.com about economics. Since 2010, 7 different Hacker News readers have linked it 14 times, most often “Spoofing in an Algorithmic Ecosystem”. The last post was in 2021, but the archive is still widely read.

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14mentions?
7HN people?
2010–2020first – last linked?
Links on Hacker News per year · peak 5 in 2013

Too few sampled comments (4) to say how often HN recommends it.?

Why HN links it

Economist Rajiv Sethi's blog posts on prediction markets and Intrade's 2012 election manipulation, plus a critique of a lead-crime study and information and beliefs theory. Comments mostly just link these posts.

Summarised by Claude from a sample of 4 HN comments that link here. Each comment is marked recommending, critical or neutral (citing without judging); how this works.

thoughts on economics, finance, crime and identity...

Most-linked posts?

  1. Spoofing in an Algorithmic Ecosystem
    2 people · 2 mentions · first linked 2015-04-22
  2. Rajiv Sethi: The Romney Whale
    2 people · 2 mentions · first linked 2013-09-26

What Hacker News says?

  1. One provisional study that wasn't published in a journal (and hence wasn't peer reviewed) and furthermore was conducted by someone far afield of the issue does not make a conclusive case about any hypothesis. As an antidote for such loose rhetoric, here are some criticisms of the paper: Rajiv Sethi, Professor of Economics at Columbia University, voicing skepticism of the strength of Fryer's conclusion: http://rajivs…

    Comment linking /2016/07/police-use-of-force-notes-on-study.html

    on “A Study That Bolsters the Lead-Crime Hypothesis”
  2. Submitted Does Market Microstructure Matter? as a story · 4 points

    HN discussion
  3. Interesting. I ran a project in this area for a few years, and saw significant issues. For example, for high-stakes predictions (eg elections) we saw significant gaming because people see it as an opportunity to move the media narrative. We've seen this in the current US Presidential Elections, with big swings in betting markets for the presidential outcome itself, without the same swings in related outcomes (eg, yo…

    Comment linking /2013/09/the-romney-whale.html

    on “Facebook Prediction Market Launches in US and Canada”
  4. Submitted Rating the Agencies as a story · 3 points

    HN discussion
  5. Followup: http://rajivsethi.blogspot.com/2013/09/the-romney-whale.html

    Comment linking /2013/09/the-romney-whale.html

    on “Market manipulation in Intrade's 2012 Presidential election”
  6. Submitted Rajiv Sethi: The Romney Whale as a story · 2 points

    HN discussion
  7. On the theoretical background of the rest of the paper: http://rajivsethi.blogspot.com/2013/09/information-beliefs-a...

    Comment linking /2013/09/information-beliefs-and-trading.html

    on “Market manipulation in Intrade's 2012 Presidential election”
  8. Submitted Rajiv Sethi: Haircuts on Intrade as a story · 2 points

    HN discussion
  9. Submitted Rajiv Sethi: Why Do Groupon Campaigns Damage Yelp Ratings? as a story · 2 points

    HN discussion
  10. Submitted Blame the Instructions, Not the Machines as a story · 2 points

    HN discussion
  11. Submitted Time for Individual Accounts at the Fed as a story · 1 points

    HN discussion
  12. Submitted Spoofing in an Algorithmic Ecosystem as a story · 1 points

    HN discussion
  13. Submitted Spoofing in an Algorithmic Ecosystem as a story · 1 points

    HN discussion
  14. Submitted Information, Beliefs, and Trading as a story · 1 points

    HN discussion

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