Jordi Mercader

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The bias of the immediate and the myths that fall: do not trust what you have experienced recently

The availability bias (see appendix), described by Amos Tversky and Daniel Kahneman in 1973, explains that we tend to overvalue recent or easily remembered events, confusing their ease of recall with their actual probability. To avoid technical jargon and anglicisms, I call it the recency bias. Basically, we think that what happened recently is the…

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Stock market sales (2025)?

Sharp falls in major stock indices This is the most common way we would continue to communicate regarding the recent stock market crashes caused by the tariff war initiated by Trump. As we see in the image above, the Nasdaq 100 has fallen by nearly 20%, the S&P 500 by 15%, and the Stoxx Europe…

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