It's unusual that I see anything from Harvard in my space, if its from Harvard it usually is of interest to my wife! (of which a little more later). But this is interesting allright, more than that its really good;- The Alchemy of CDO Credit Ratings by Efraim Benmelech (Harvard University and NBER) Jennifer Dlugosz (Harvard University and Harvard Business School) ABSTRACT Collateralized Loan O…