Monthly Archives: August 2014

Chess in Russia

Looking at the list of world chess champions over the years, one can’t help noticing a large number of Russians. The breakup by nationality is as follows: USSR – 8 (Alekhine, Botvinnik, Smyslov, Tal, Petrosian, Spassky, Karpov, Kasparov, Karpov, Khalifman, … Continue reading

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Witty Quotes

Shin: A device for finding furniture in the dark. Katz’ Law: Man and nations will act rationally when all other possibilities have been exhausted. Anyone who uses the phrase “easy as taking candy from a baby” has never tried taking … Continue reading

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Usefulness of Sunk Costs

In an earlier article, we defined sunk costs, and observed that attributing too much importance to sunk costs leads to the sunk cost fallacy. Is there any use at all in considering sunk costs? In some cases, yes. To see … Continue reading

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Proving Knowledge

Consider the following problem: Alice knows a secret number. She wants to verify whether Bob knows it as well. The simple solution would be for Bob to simply tell Alice the secret number. What if someone (Eve) were listening in … Continue reading

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