When one discusses ethics in investing usually tobacco companies, for profit prisons and other "VICE" industries come to mind - but how about beta is Beta unethical to teach? Maybe, according to some
“Modern financial theory tells you to calculate the beta of a stock to determine its riskiness. In my entire professional career, now twenty-five years long, I have never calculated a beta. This theory urges you to move your portfolio of holdings closer to the efficient frontier. I have never done so, nor would I know how. I have never calculated the alpha or beta of my firm’s investment performance, which is how some people would determine whether or not we have done a good job.”– Seth...

