By DAVID ROCK

Bad management appears to be an epidemic, costing the economy a total of$360 billion every year in lost productivity. Some 65 percent of employees say they would take a new boss over a pay raise, andthree out of every four employees say their boss is the most stressful part of their job.

It’s not like we’re not trying: According to the American Society for Training and Development, in 2011, U.S. firms spent about $156 billion on corporate training. Against this backdrop, what have we learned in 2012 that might help us improve the quality of leadership? Here are five of the bigger findings.  Read More…