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
World After Capital: Patents (Informational Freedom)
NOTE: Today’s excerpt from World After Capital continues the topic of Informational Freedom, discussing overreach in the patent system and offering prizes as an alternative mechanism. This is timely as the patent office has unfortunately issued new rules that will [...] Read more
On Crypto and Trust Minimization
What does it mean to trust someone? Usually, that person (or company, or technology) can take actions that share a bunch of characteristics: the action has a material impact on us, we cannot directly observe the action or judge its [...] Read more
Uncertainty Wednesday: Network Effects and Prices and Investment Returns, Oh My!
In today’s edition of Uncertainty Wednesday, we will look at how uncertainty in markets is highly dynamic. Something can be a sure thing for a while but not forever. There is a – potentially apocryphal – story about Ron Conway’s [...] Read more
Staying Optimistic: Happy New Year!
It is easy to feel pessimistic at the end of 2018. CO2 emissions are still climbing rapidly and reached an all time high in 2018, with severe weather events accelerating globally. Facebook and Twitter continue to be used for manipulation [...] Read more
Uncertainty Wednesday: Geo-engineering Edition
I have written fairly extensively here on Continuations about climate change, including several times as part of Uncertainty Wednesday. I have also previously stated my support for geo-engineering research as far back as 2009 and again more recently in 2016. [...] Read more