"The first measure includes stock options realized (in addition to salary, bonuses, restricted stock grants, and long-term incentive payouts). By this measure, in 2017 the average CEO of the 350 largest firms in the U.S. received $18.9 million in compensation, a 17.6 percent increase over 2016.... The 2017 CEO-to-worker compensation ratio of 312-to-1 was far greater than the 20-to-1 ratio in 1965 and more than five times greater than the 58-to-1 ratio in 1989 ... [The authors also track] the value of stock options at the time they are granted. By this measure, CEO compensation rose to $13.3 million in 2017, up from $13.0 million in 2016."