In professional sports there are externalities. If one team acquires too much talent then that may impact the quality of the competition negatively. This means that the league can improve social welfare by distorting the competitive equilibrium allocation. This idea has been used to explain that...

We develop an infinite-horizon dynamic search model to understand education-job mismatches in the labor markets where job seekers face three different types of labor markets based on their minimum educational requirements. Using a new data set, we find that our model matches the U.S. data well...