The financial crisis of 2007-9 revealed serious failings in the regulation of financial institutions and markets, and prompted a fundamental reconsideration of the design of financial regulation. As the financial system has become ever-more complex and interconnected, the pace of evolution...

Long range financial data as typified by the daily returns of the Standard and Poor's index exhibit common features such as heavy tails, long range memory of the absolute values and clustering of periods of high and low volatility. These and other features are often referred to as stylized facts...

The notion of breakdown point was introduced by Hampel (1968, 1971) and has since played an important role in the theory and practice of robust statistics. In Davies and Gather (2004) it was argued that the success of the concept is connected to the existence of a group of transformations on the...