Decisions With Incomplete Knowledge

Yesterday I made dozens of decisions, on topics as varied as Dilbert licensing, landscape design, marketing, and investing. In all cases I was operating with incomplete information, which is typical. As a practical matter, most decisions happen without the benefit of all the data you would like.

It made me reflect on all of the little rules one develops over the years for handling decisions without the benefit of sufficient data. You always start with the easy questions, such as...
What do...