And, since the crisis, we have also been confronted with the risk that our models have been distorted because of fundamental shifts in economic behaviour. (bankofcanada.ca)
But as I have said before, while the changes in interest rates make the news, it is the level of interest rates that matters most for economic behaviour. (rba.gov.au)
Such economic behaviour specifies the key features of a lottery with few extraordinary large prizes (to reinforce the dream) and many small ones (to encourage overestimation of the probability that the dream is realisable). (newscientist.com)