The 'Halo Effect' occurs when lotto ticket sales are unexpectedly high following a large jackpot. An examination of the Powerball lottery finds evidence that the halo effect exists and that it is the result of bettors exchanging prize winnings for new tickets.

A number of authors have identified the determinants of international sporting performance differentials in men's sporting events. This study compares the determinants of men's international soccer team performance with that of their female counterparts and find that a partially different set of...

The traditional question of optimally deciding when to cut down a tree is among the most commonly posed questions asked of students learning the technique of dynamic programming. This paper shows that the traditional tree-cutting example is improperly formulated when the question of replanting...