(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) Author: Richard Hartel, University of Wisconsin-Madison It’s Halloween. You’ve just ...

Richard Hartel has previously consulted for Mars Wrigley, but not in the past decade, and does not receive funding from them nor own shares in their company. It’s Halloween. You’ve just finished trick ...

It’s Halloween. You’ve just finished trick-or-treating and it’s time to assess the haul. You likely have a favorite, whether it’s chocolate bars, peanut butter cups, those gummy clusters with Nerds on ...