Some of the data sets used end in 2002 or 2006, and I am not aware of any reason why we would expect different findings from more recent data. Using data from

Some of the data sets used end in 2002 or 2006, and I am not aware of any reason why we would expect different findings from more recent data. Using data from the great recession and the current market situation may also be more confusing than elucidating.