Professor @Wharton studying innovation & entrepreneurship & ephemera. Democratizing business education through games (Play: https://interactive.wharton.upenn.edu/experiences/bluesky-ventures-game/ …) Book on 
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Noise is a remarkably insidious form of pollution: a 10db noise increase (from dishwasher to vacuum) drops productivity by 5%. But the kicker is you don't notice: noise hurts your ability to think, not your effort. You work as hard but do worse! And poorer areas have more noise.pic.twitter.com/HoWdfMaf5Q
Here's a link to the paper, which makes the point that policy is really needed to regulate noise, since people don't realize how much they are impacted by it, and so don't value quiet as much as they should: https://joshuatdean.com/wp-content/uploads/2020/02/NoiseCognitiveFunctionandWorkerProductivity.pdf …pic.twitter.com/2HEodBlTqP
Also other forms of pollution also impact cognition in subtle ways. More 
https://twitter.com/emollick/status/1334938163580710916 …
Noise cancelling headphones don’t solve the noise problem, as this study shows. They don’t significantly improve our ability to concentrate in office environments. And again, it’s a bit of a trap: we feel that they help us, even though they don’t! http://pub.dega-akustik.de/ICA2019/data/articles/000062.pdf …pic.twitter.com/BT6EsdvQjQ
Since people are asking about music, results have been a bit contradictory, but this paper uses multiple experiments to find that, for tasks that involve memory or writing, music hurts performance.https://twitter.com/emollick/status/1389291188730187782 …
was instrumental, foreign language, or a particular genre. Silence or low-level noise was best. https://onlinelibrary.wiley.com/doi/full/10.1002/acp.3532 … pic.twitter.com/zCbxmdmgilThese findings may help explain New Yorker’s surly reputation. The jackhammers and sirens may indeed have some impact.
Now talk about how it affects children, their development, language acquisition skills etc. And how racist zoning policies have *certain* people more likely to live near factories, highways, subways, etc. and the effect this has on childhood development...
We learned this in industrial hygiene classes when I was in grad school. Exposure to certain VOCs couple with noise can accelerate hearing loss.
It's been blissful (for us) to have Heathrow go quiet. The red eye flights from far east (big planes) roar over our house in SW london at around 5:30am normally. They would wake me several times a week and I didn't notice until getting really restful sleep when they stopped.
So are we in fact less productive when listening to music (any genre) compared to working in complete silence?
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