The blogmaster offers an unqualified apology for the absence. The end of the semester took its toll. But we are back with some mathematics!
Your own OU faculty members (Kimball Martin and Krishnan Shankar) have addressed the question that is in the title of this article in their paper:
but if you want the easier version here is a nice description in this blog:
Spoiler alert: mathematics proves that it pays to be a little lazy especially if you have a good memory!