Suppose that eleanor receives higher pay at her workplace than her colleagues do, even though they perform essentially the same type of work. if eleanor's productivity is about 25% higher than that of each of her colleagues, which of the following wage concepts can explain this wage disparity? check all that apply. discrimination natural ability the superstar phenomenon effort human capital

Because of the violent nature of the sport, professional american football players are at risk of suffering concussions (or brain injuries) during the violent collisions that occur between players during the game. violent collisions involving hits to the head are particularly risky. suppose the commissioner of the national football league (nfl) institutes a rule requiring players to wear a new, lighter helmet that is designed to reduce head trauma during collisions between players on the field. while the new helmets the probability of a concussion resulting from each individual collision, at the same time the new helmets could also give football players an incentive to play more , which could potentially the amount of violent collisions and thus the number of concussions suffered by nfl players, all else equal.