The second edition of Risk Budgeting expands upon its original themes to encompass risk appetite and risk governance, the importance and visibility of which have increased exponentially in the wake of the financial crisis.While risk budgeting was just emerging as a best practice for pension funds and asset managers when the first edition was published in 2000, there have been many developments since, the prime example being the 2007/8 financial crisis, which cast a shadow over the quantitative techniques and tools used to mitigate and budget for risk up until that point. As Leslie Rahl herself says in the book’s “Introduction”, the years subsequent to the crisis (which also saw the collapse of Bear Stearns, the bankruptcy of Lehman Brothers, and the federal takeover of Fannie Mae) fundamentally changed the landscape of risk management to such a degree that the original methods of approaching risk have become obsolete.