🤠 Fun

Self-resolving markets are markets that resolve based on the market itself, instead of the author deciding how to resolve them. In general, this isn't a very good idea, as many experiments have demonstrated: the reason markets work is because participants make profits based on whether they are correct or not, and in a self-resolving market there is nothing to actually tie the market resolution to the real-world question that was asked, so there's no reason to expect the market to have anything to do with the question.

But there are several reasons people are interested in exploring them:

1) Asking questions where determining an answer is expensive. For example, it might take a massive amount of data collection work or it might cost millions of dollars to run a randomized controlled trial.

2) Asking highly subjective questions, such as:

These questions are often poll-like, and indeed resolving to the result of a poll is a common way to design them.

3) Many blockchain systems use protocols for forming a consensus resolution that are similar to self-resolution, and they have similar dangers, and it's interesting to explore how to make them more robust. For example, Polymarket uses an oracle where token holders essentially vote with cryptocurrency to settle disputed resolutions, and there are a couple 

I think it's valuable to find tweaks to make such markets work better, and valuable to have experiments demonstrating how they can go wrong.

If you are an author thinking about creating a market along these lines, I think these methods work much better:

And, if you really want to resolve-to-mkt despite the flaws:

The problem is that the reason prediction markets work is that participants profits are based on whether they are correct or not. If the market resolution is instead based only on what the market participants say, and not based on any external data about the actual question, then it can become completely disconnected from the question it is trying to answer - it's a Keynesian beauty contest.

🪞 Self-resolving

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