That's Interesting

  • Behavioral Machine Learning? Computer Predictions of Corporate Earnings also Overreact

    There is considerable evidence that machine learning algorithms have better predictive abilities than humans in various financial settings. But, the literature has not tested whether these algorithmic predictions are more rational than human predictions.

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  • Not even the machines are rational

    For 50 years, behavioural economics has thrown the gauntlet at the rational expectation hypothesis and the concept of homo economicus. But now, rationality could fight back. AI and machine learning algorithms have become so powerful that their forecasts can compete with analyst forecasts (at least before transaction costs) and these algorithms certainly aren’t biased like humans are. Or are they?

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  • Bloated Disclosures: Can ChatGPT Help Investors Process Financial Information?

    Generative AI tools such as ChatGPT can fundamentally change the way investors process information. A probe into the economic usefulness of these tools in summarizing complex corporate disclosures using the stock market as a laboratory, shows that unconstrained summaries are dramatically shorter, often by more than 70% compared to the originals, whereas their information content is amplified.

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  • Cold Water Swimming – Benefits and Risks

    Cold water swimming – also known as winter swimming or ice swimming – describes swimming outdoors (lake, river, sea, swimming pool, etc.) mainly during the winter or in the colder and polar regions.  Although chronic exposure to colder water temperatures has been shown to be beneficial to one’s health, several studies have outlined the potential risks.

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  • The tamer the cow, the smaller the brain

    The first large-sale study of brain sizes across cattle breeds reveals that docile dairy and beef cows have smaller brains than aggressive bullfighting breeds

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  • Here are the winners of the 2022 Ig Nobel Prizes

    Would you give yourself an alcohol enema for science? Test the running speed of constipated scorpions in the lab? Build your very own moose crash test dummy? Or maybe you’d like to tackle the thorny question of why legal documents are so relentlessly incomprehensible. These and other unusual research endeavors were honored in the 2022 annual Ig Nobel Prizes.

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  • Why shaving dulls even the sharpest of razors

    Human hair is 50 times softer than steel, yet it can chip away a razor’s edge, a new study shows.

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  • Mechanical Watch

    In the world of modern portable devices, it may be hard to believe that merely a few decades ago the most convenient way to keep track of time was a mechanical watch. Unlike their quartz and smart siblings, mechanical watches can run without using any batteries or other electronic components.

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  • Wasps force zombie spiders to weave ‘cocoon’ webs

    For some unlucky spiders, the zombie apocalypse is now. Some parasitic wasp larvae can take over their minds, forcing them to weave special webs the wasps use to support and protect their cocoons.

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  • James Webb Space Telescope

    The James Webb Space Telescope (sometimes called JWST or Webb) is a large infrared telescope with a 6.5-meter primary mirror.  It is the premier observatory of the next decade, serving thousands of astronomers worldwide. It will study every phase in the history of our Universe, ranging from the first luminous glows after the Big Bang, to the formation of solar systems capable of supporting life on planets like Earth, to the evolution of our own Solar System.

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