5. Finally, the sums of the statistically significant variables in each of the four equations range from 2.588 to 2.709. Because these are all much greater than 1.0, the baseball production functions examined all exhibit increasing returns to scale. Better hitting and on-base and running skills yield more than proportional increases in games won. Because of the link between winning and attendance, ballplayers with these characteristics also yield greater revenues, especially to teams that contend for division and league championships.