Main points:
- the history of random portfolios extends at least to Chicago 1965
- testing a fund versus a benchmark takes many years to get reasonable statistical power
- a benchmark will be easier to beat some years versus others
- peer groups depend on the fantasy that there is little noise in the rankings of the peers
- there are open probability questions about random portfolios
- random portfolios are sometimes used like the statistical bootstrap, sometimes like a random permutation test
Presented 2009 April at the R/Finance Conference
Kommentarer inaktiverade för Random Portfolios: Practice and Theory
jun 25, 26
The function in question is scriptSearch. I’m not much for superlatives — ”most” and ”best” imply one dimension, but we live in a multi-dimensional world. I’m making an exception. The [...]
jun 25, 26
I recently gave a talk at the R in Finance conference in which I introduced the marketAgent package for R. Here is the source for the package if you'd like [...]
jun 25, 26
Executive summary Surprisingly good. And it’s not like my expectations were especially low. Structure There are 20 chapters. I mostly like the chapters and their order. Hadley breaks the 20 chapters [...]


