CAPM

The concept for efficient assets is actually quite straightforward. As rational investors, we worry about the expected wealth and the volitility (fluctuations) of our wealth. Since terminal wealth and return shares a linear relationship, we can instead focus on the distribution of returns instea...

Fastest Descent

Also known as the Brachistochrone problem: we release a ball from top of slope, how do we shape the slope to minimize the time of descent?