HARVARD BUSINESS REVIEW: When a Vacation Reduces Stress — And When It Doesn’t

I thought it was simple: Vacations are fun, Americans are stressed, and happiness raises productivity and sales. Therefore, people should take more vacations, right? But research doesn’t hold that line of thinking up. Not every vacation is equal. According to a 2013 report by the Center for Economic and Policy Research, the U.S. is the only developed…