On August 12th, Tyler Cowen released a podcast interview with Stanford Economics Professor Nicholas Bloom on his podcast Conversations with Tyler
. In response to a question from Cowen about making adjustments in his life, Bloom said the following:
“For me, I really like to read broadly rather than deeply — sounds an odd thing to say. Every Monday, for example, or Sunday night, the National Bureau of Economic Research has this vast email of all the recent papers. I tend to try and scan every title and abstract. I read the papers. I like the Economist magazine. It’s good. It’s often been a source of ideas, actually.
We were talking before the call — I listen to your podcast. I actually listen to a lot of podcasts because I try and go out for a walk or a run for about an hour every day. I mostly listen to podcasts. [laughs] If I’m getting too tired, I have to switch to music. For me, that’s been helpful for coming up with new research ideas.”
The quote from Bloom came back to mind this morning as I looked over a quote I highlighted in Daniel Kahneman’s book Thinking Fast and Slow. Kahneman’s quote is about connections in the mind, and how having a rich set of connections can help us have better representations of the world. When people are asked questions about Michigan, research in Kahneman’s book shows, they have different responses depending on whether they remember that Detroit is in Michigan. People with more knowledge of the state think differently of it compared to people with minimal knowledge of Michigan. Kahneman writes,
“More intelligent individuals are more likely than others to have rich representations of most things. Intelligence is not only the ability to reason; it is also the ability to find relevant material in memory and to deploy attention when needed.”
This idea relates to what Bloom said in the interview with Cowen. Bloom was asked about his productivity, and how he is able to keep up a high level of publications with co-authors across a wide range of academic institutions, geographic locations, and subjects. Bloom responded that he is developing rich representations of most things through broad, but not necessarily deep, investigations of a wide range of topics.
By taking in a wide range of information, Bloom is able to pick out the important connections between disparate topics. This gives him an ability to deploy attention where there is a lack of study on certain topics. By reading across many fields, he is able to look at current developments in economics, news, and society to find relevant material that can generate useful knowledge for the world of economics.
Not all of us are ever going to be economists, and not all of us will be in a place where we can publish academic articles on lots of topics. But all of us are asked by social media every day to offer our opinion on something. If we have a narrow and limited knowledge base, then our opinions and ideas are going to also be narrow and limited. If, however, we can work to broaden our horizons and work to focus our memory and attention on relevant material, then we can start to offer better opinions about the world, and we can start to move discussions forward in a better direction.