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Uncertainty Wednesday: Jensen’s Inequality
Albert Wenger – Aug 2, 2017
Last week in Uncertainty Wednesday, I introduced functions of random variables as the third level in measuring uncertainty. Today I will introduce a beautiful result known as Jensen’s inequality. Let me start by stating the inequality: f[EV(X)] ≤ EV[f(X)] where [...] Read more
VPNs and Informational Freedom
Albert Wenger – Jul 31, 2017
In my draft book “World After Capital” I have a section on the need for increased “Informational Freedom.” There I write: As well as: Virtual Private Networks (or VPNs) are a way for citizens to circumvent these artificial restrictions imposed [...] Read more
Putting People First on Healthcare
Albert Wenger – Jul 28, 2017
There is lots wrong with the healthcare and health insurance system in the US. One can also have a rational debate of the pros and cons of the Affordable Care Act and how we might proceed from here. What should [...] Read more
Uncertainty Wednesday: Functions of Random Variables
Albert Wenger – Jul 26, 2017
Just as a reminder, we have been spending the last few weeks of Uncertainty Wednesday exploring different measures of uncertainty. We first looked at entropy which is a measure based only on the states of the probability distributions itself. We [...] Read more
Attention on Digital Monopolies
Albert Wenger – Jul 25, 2017
The dominant position of companies such as Google, Facebook, Amazon is sure receiving a lot more attention these days. There is critical media coverage, including in traditionally pro business publications such as the Wall Street Journal “Can the Tech Giants [...] Read more
Homo Deus by Yuval Harari (Book Review)
Albert Wenger – Jul 21, 2017
I previously wrote a review of Yuval Harari’s Sapiens, which I highly recommended, despite fundamentally disagreeing with one of its central arguments. Unfortunately, I cannot say the same about Homo Deus. While the book asks incredibly important questions about the [...] Read more
Uncertainty Wednesday: Continuous Random Variables (Cont’d)
Albert Wenger – Jul 19, 2017
Last time in Uncertainty Wednesdays, I introduced continuous random variables and gave an example of a bunch of random variables following a Normal Distribution. Now in the picture you can see two values, denoted as μ and σ^2, for the [...] Read more
Be Careful of What You Wish For: Token/ICO Edition
Albert Wenger – Jul 17, 2017
I have written several posts on token sales and ICOs already, including some “Thoughts on Regulating ICOs” and “Optimal Token Sales.” With the continued fundraising success of new projects, here are some observations on investment terms and their potential implications [...] Read more
Uncertainty Wednesday: Continuous Random Variables
Albert Wenger – Jul 12, 2017
So far in Uncertainty Wednesdays we have only dealt with models and random variables that had a discrete probability distribution. Often in fact we had only two possible states or signal values. There are lots of real world problems though [...] Read more