Archive for March 26th, 2012

[2527] Understanding indices

  So I found myself on BFM radio last week, talking about indices. I thought I sort of flustered a little bit and I answered a particular question quite unsatisfactorily. The host asked, why the change is more important than the actual level. I should have said, because the base is really arbitrarily chosen. Because it is arbitrarily chosen, the [...]