We conduct an innovative analysis of sporting world records by a) using economic instead of sporting determinants and b) by using multivariate stochastic frontier functions. Using data from 48 different disciplines between 1970 and 2014, we show that world records are close to full efficiency...

This paper investigates the factors that influence the change in passenger ski-lift transports between a normal winter and an anomalously mild winter based on individual lift and aggregate ski-area data. Special focus is placed on the return on investments in new ski lifts. Using endogenous...