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Why do competitors open their stores next to one another? - Jac de Haan

TED-Ed · 7.4M views · 2012-10-01 · 4:07

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Overview

A short animated TED-Ed lesson in which two competing ice cream vendors on a beach illustrate why rival shops cluster together. It introduces game theory and the Nash equilibrium through the Hotelling model.

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HN people use it as a clear, quick explanation of Nash equilibrium and why competitors cluster.

Recommended by 3 HN people across 3 months · HN mentions 2015–2025

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What people said

tantalor · 2016-05 · Strong recommendation

Setting up shop directly next to your competitor is the best choice, i.e., Nash equilibrium. That's why all the gas stations and coffee shops cluster up instead of spreading out. For example, on a beach, you should expect 2 ice cream vendors to cluster in the exact middle rather than move closer to their respective territories. This video explains it perfectly: [VIDEO]

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Litost · 2015-05 · Strong recommendation

I've only had a cursory introduction to Nash's work through brief flirtations with game theory, but this is the best explanation i've found so far on Nash's Equilibrium which i still remember vividly for highlighting why a "Socially Optimal Solution" is pretty rare in real life [1] (apologies in advance to the ted-talk averse). Has anyone got any other good pointers to examples of his work? P.S. Can anyone recommend A Beautiful Mind, i'm kinda put off by the description in here which makes it sound very hollywoodised [2]? [1] - [VIDEO] [2] - [LINK]

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asdf9240 · 2019-07 · Recommendation

extrapolating a small sample size will probably produce unreliable results. also its possible that there are 3 sushi restaurants on the same street because of the Hotelling model of spatial location (good vid explaining that: [VIDEO] )

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Sources

Video by TED-Ed, played through YouTube.

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