Improve Your Decision-Making with These 10 Cognitive Razors
The average adult makes about 35,000 conscious decisions each day.
Given this sheer volume of choice, how do we ensure we’re making the right decisions, day in and day out, without becoming exhausted?
Using insights from investor and thought leader Sahil Bloom, this graphic shares 10 cognitive razors, or rules of thumb, that can help you simplify your decision-making.
We’ve organized Bloom’s favorite cognitive razors into three overarching categories, which we dive into in further detail below.
Location, Location, Location
The first theme is location, and the importance of being at the right place at the right time.
The Luck Razor falls into this category because it highlights the importance of putting yourself out there. According to the Luck Razor, when choosing between two paths, pick the one with the largest “luck surface area,” or the path that offers you the most opportunity to get lucky.
This is because when you’re networking, meeting people, and building new relationships, you’re much more likely to stumble upon an opportunity than if you were sitting on your couch, not taking action.
The Rooms Razor follows a similar theme because it emphasizes the importance of your surroundings. It stresses that, if you have a choice between two rooms to walk into, choose the one where you’re most likely to be the dumbest person in the room.
While it’s a bit of an uncomfortable situation, it provides a greater opportunity for growth, as long as you check your ego at the door and listen to what others have to say.
Lastly, the Arena Razor reminds us that when we want something, we need to take the necessary steps to make it happen.
For instance, if you want to become a social media influencer, you need to start creating content and posting it online. It’s not easy to put yourself out there and take action, but if you want to play the game, you need to be in the arena.
The Power of Positive Thinking
The next theme is the power of mindset and positive thinking. This relates to how you view your life, the people you choose to surround yourself with, and how you interpret the actions and opinions of others.
According to the Gratitude Razor, when in doubt, don’t hesitate to show your gratitude to people who have supported you, or given you advice or opportunities.
Research studies have shown that expressing gratitude and giving thanks can be correlated with greater happiness, improved health, and stronger more meaningful relationships. So make sure to say thank you regularly, and tell your loved ones how much you appreciate their support.
It’s not just your mindset that’s important, though. The Optimist Razor recommends surrounding yourself with optimists, rather than pessimists. Pessimists may point out everything that could go wrong in a scenario, which might discourage you to break out of your comfort zone.
Optimism, on the other hand, will emphasize everything that could go right—and may even help you problem solve if you encounter problems along the way.
Keep Decision-Making Simple, Silly
The last one is quite simple, really: don’t overcomplicate things.
Occam’s Razor, which is named after the 14th-century scholar Franciscan friar William of Ockham, is generally interpreted as the following: when faced with a decision between two competing theories that generate the same outcome, the simplest theory is often the best one.
As Bloom says in this blog post, “simple assumptions [over] complex assumptions. If you have to believe a complex, intertwined series of assumptions in order to reach one specific conclusion, always ask whether there is a simple alternative assumption that fits.”
The ability to make things simple is also a good indicator of how deeply you understand something. According to the Feynman Razor, if you can’t explain a concept simply, then you don’t really understand it. So, if someone uses a ton of jargon or complexity to explain something, they could be masking a lack of deeper knowledge on the topic.
Editor’s note: For more information on cognitive razors and simplifying your decision-making, check out Sahil Bloom’s newsletter, or listen to his podcast episode where he talks about the most powerful razors he’s discovered so far in life.
Visualized: Which Coastal Cities are Sinking the Fastest?
Many major coastal cities are experiencing local land subsidence where underground soil and rock collapse, causing the surface above to sink.
Which Coastal Cities Are Sinking the Fastest?
With sea levels rising, there is cause for concern about the livability of major coastal cities—often huge centers of trade and commerce, and homes to millions of people.
But an overlooked area is how coastal cities are themselves sinking—a phenomenon called relative local land subsidence (RLLS)—which occurs when underground materials, such as soil, rock, or even man-made structures, compact or collapse, causing the surface above to sink.
This can exacerbate the effects of rising sea levels (currently averaged at 3.7 mm/year), and is a useful metric to track for coastal communities.
Creator Planet Anomaly, looks at the top 10 cities ranked by the peak subsidence velocity. This graphic is based on a paper published by Nature Sustainability, which used satellite data to track land subsidence changes in 48 high-population coastal cities located within 50 kilometers of the coastline. Their data collection spanned six years from 2014 to 2020.
In that time period, they found that 44 of the cities they studied—many of them massively populated, developed megacities, built on flat, low-lying river deltas—had areas sinking faster than sea levels were rising.
The 10 Fastest Sinking Coastal Cities
One of the top cities on the list is Tianjin, China with a population of more than 14 million people, which has areas of the city experiencing peak RLLS velocities of 43 mm a year between 2014–2020. The median velocity is much lower, at 6 mm/year, which means some areas are sinking much faster than the overall metropolitan area.
Tianjin is bordered by Beijing municipality to the northwest and the Bohai Gulf to the east. In June 2023, large cracks appeared on Tianjin’s streets, caused by underground land collapses, a byproduct of extensive geothermal drilling, according to the local government.
|Ho Chi Minh City
Ho Chi Minh City (population 9 million) in Vietnam also faces similar RLLS rates as Tianjin though its median velocity is much higher at 16 mm/year.
Chittagong, Bangladesh, Yangon, Myanmar, and Jakarta, Indonesia, round out the top five fastest sinking coastal cities by relative land subsidence. They all face a similar web of contributing factors as the authors of the paper note below:
“Many of these fast-subsiding coastal cities are rapidly expanding megacities, where anthropogenic factors, such as high demands for groundwater extraction and loading from densely constructed building structures, contribute to local land subsidence.” — Tay, C., Lindsey, E.O., Chin, S.T. et al.
In fact, Indonesia has ambitious plans to relocate its sinking capital, Jakarta, to another island, a move that could cost the Indonesian government more than $120 billion. This comes after the forecast that one-third of Jakarta could be submerged as early as 2050. Aside from the regular flooding, Jakarta is also extremely prone to earthquakes.
Why Measure Local Land Subsidence?
The researchers of this report argue that local land subsidence is largely underestimated in relative sea level rise assessments and is crucial for the sustainable development of coastal areas.
The data they’ve collected—peak velocity versus median velocity—also allows them to identify specific areas and neighborhoods in cities that are undergoing rapid subsidence and thus facing a greater exposure to coastal hazards.
In New York, for example, their results suggested that subsidence is only localized west of Breezy Point and “should not be extrapolated eastward along the coast” of Long Island.
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