Uncertainty Wednesday: Probability (Cont’d)
Today in Uncertainty Wednesday we are continuing with some of the math of probability. As a reminder from last Wednesday, we have two states, A and B and two signal values H and L for four possible elementary events AH, [...] Read more
Teaching Again!
I am super excited about today and woke up in advance of my alarm clock. Why? Because today is the first day of class for the second year of the NYU Stern Course I am co-teaching with Arun Sundararajan (btw, [...] Read more
Matching ACLU Donations TODAY ONLY
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Misleading the World on Immigration
I am an immigrant. I came to the US first in 1983 as an exchange student when I was 16. I stayed with a wonderful family in Rochester, Minnesota and fell in love with this country. I returned to Germany [...] Read more
Internal Promotions
When your company is growing you have to add new layers of management. One common mistake is to only look outside the company. This is often promoted by investors who are worried that the early employees are too young and [...] Read more
Uncertainty Wednesday: Probability
So last Uncertainty Wednesday, we introduced the simplest possible setup with two states and two signal values. Today we will introduce the concept of probability. If you go on Wikipedia you can find a great many different definitions of probability, [...] Read more
What I Learned from Startup Investing about the Trump Presidency
The other day I was pointed to an essay about how people are overreacting to Trump. That we should all adopt a wait and see attitude instead. In thinking about how to reply it occurred to me that this is [...] Read more
Inauguration Thoughts
There is a good thing about today’s inauguration. Despite having the lowest approval rating of an incoming president in a long time, it appears that we will have a peaceful transfer of power. That is what democracy is designed to [...] Read more
Uncertainty Wednesday: States and Signals
After giving two examples (Zoltar, Coin Flipping), it is now time in Uncertainty Wednesday to formalize the ideas. The following picture will be useful. It shows a very simple reality/system (the blue box) we are trying to understand and the [...] Read more