A Healthy Discussion about Wealth (and Billionaires)
The question of “How Much is Enough?” isn’t just the title of an excellent book by Edward and Robert Skidelsky, but has come to be at the forefront of political debate. We are finally discussing such topics as a wealth [...] Read more
Uncertainty Wednesday: Avoiding Strong Claims on Intelligence
Today’s Uncertainty Wednesday will be the last post for a while about matters related to intelligence following my posts on the problems of sample correlation under fat tails and on dynamic versus static models. Now might be a good time [...] Read more
World After Capital: Getting over Privacy (Intro)
NOTE: This is part of a series of excerpts from my book World After Capital. Today’s section introduces the idea that privacy is a strategy for freedom that has real downsides if we want to enter the Knowledge Age. In [...] Read more
Uncertainty Wednesday: Dynamic versus Static
In Uncertainty Wednesday I have talked a lot about the danger of doing statistics without a model. Another big danger is ignoring dynamic processes and conducting static analyses instead. That is you may have an explanation, such as “a person’s [...] Read more
Getting over Privacy
I was overly optimistic when I thought I could resume excerpts from World After Capital today. Turns out the next section is on privacy and it needs major editing. So while I am working on that, here is the talk [...] Read more
In Support of a Wealth Tax
Senator Elizabeth Warren yesterday proposed a wealth tax. It is a way of dealing with the rising inequality issue that I also discuss in World After Capital. I propose a longer term way of getting to a similar place via [...] Read more
Uncertainty Wednesday: More on Sample Correlation under Fat Tails
Last Uncertainty Wednesday, I wrote about how sample correlations are not meaningful under fat tails. Today I want to continue this line of argument in the specific context of the claimed relationship between country IQ and GDP. There is strong [...] Read more
Reasons for Optimism
NOTE: I will resume posting excerpts from World After Capital next week. A couple of weeks ago I first tweeted about what gives people reasons for optimism and then wrote a post. Both of these were preparations for giving the [...] Read more
Uncertainty Wednesday: Misunderstanding Sample Correlation (Fat Tails)
Today’s Uncertainty Wednesday revisits a favorite topic of mine: correlation. I first wrote about the importance of thinking about correlation in modeling over 10 years ago, long before starting the Uncertainty Wednesday series (the reference to Excel is a giveaway). [...] Read more
